ASUS Prime B450M II Series motherboards provide the solid foundation needed for your first build, plus flexibility to grow with your ambitions. We've melded all the good stuff that's packed into AMD Ryzen processors with essential ASUS design & engineering, so you benefit from industry-leading technologies " including automated system tuning, comprehensive cooling controls, & immersive onboard audio. When you build with an ASUS Prime B450M II Series motherboard, you build smart, easy & affordably. Tune It Your Way Comprehensive controls form the foundation of the ASUS Prime series. The Prime B450M II motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work " maximizing your productivity. UEFI BIOS The renowned ASUS UEFI BIOS provides everything you need to configure, tweak & tune your system. It offers intelligently simplified options for PC DIY beginners, as well as comprehensive features for seasoned veterans. Advanced Tuning for Serious Tweakers An intuitive Advanced mode offered via the UEFI lets you take complete control. A built-in search feature makes it easy to find options, & various Advanced functions let you intelligently make nuanced adjustments so you can dial in performance just the way you want. Quick & Simple Setup EZ mode displays vital settings & stats & also offers guided wizards, drag-&-drop functionality, & one-click application of important settings " all to help you get your rig up & running in no time. Cool to the Core Prime B450M II series is engineered with multiple onboard heatsinks & an array of hybrid fan headers to ensure your rig stays cool & stable under intense workloads. VRM Heatsink & Thermal Pads A VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs for better cooling performance. Cooler by Design Prime B450M-A II is engineered with an array of hybrid fan headers & features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS, ensuring your rig stays cool & stable under intense workloads. Build on a Solid Foundation Prime B450M II motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling & flexible transfer options. PCIe 3.0 M.2 (up to 32 Gbps) Achieve speed with onboard M.2 M.2 Slot supports up to 22110 & data-transfer speed up to 32 Gbps via x 4 PCI Express 3.0 bandwidth. It&152;s the perfect choice for an operating system or application drive, providing fast access to data. USB (Universal Serial Bus) 3.2 Gen 2 Type-A Numerous USB (Universal Serial Bus) ports support high-end rigs loaded with peripherals, including two rear-panel USB (Universal Serial Bus) Type-A connectors with fast USB (Universal Serial Bus) 3.2 Gen 2 connectivity for compatible cases. Little Things Make a Big Difference Prime B450M II series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive RGB lighting controls that let you customize your system to create a unique personal look. Outstanding Audio Combined onboard features deliver elevated audio Intelligent design & premium hardware create audio quality unlike anything you've ever experienced. Aura Sync Outshine the Competition A well-tuned enthusiast system deserves a matching aesthetic. ASUS Aura offers full RGB lighting control with a variety of functional presets for RGB LED strips connected to the onboard RGB headers. & it can all be synced with an ever-growing portfolio of Aura-capable hardware. Safe Slot Core Fortified PCIe slot prevents damage Safe Slot Core is the ASUS-exclusive PCIe slot. Featuring a fortified design that's anchored to the motherboard by a special hook, Safe Slot Core provides 1.6x stronger retention & 1.3x greater shearing resistance than standard expansion slots. Overvoltage Protection World-class circuit-protecting power design An exclusive circuit design with built-in voltage regulators to protect your motherboard from damage caused by unexpected high-level voltages from unstable or inferior power supplies. DRAM Overcurrent Protection Short-circuit damage prevention Onboard resettable fuses prevent overcurrent & short-circuit damage. This extends beyond I/O ports to DRAM to safeguard the lifespan of your system & connected devices. Stainless-Steel Back I/O 3X corrosion-resistance for greater durability Corrosion-resistant stainless-steel back I/O panels bonded with chromium oxide have a lifespan that's three times longer than ordinary panels. LANGuard Pumped-up throughput 2.5X higher surge tolerance ASUS LANGuard is a hardware-level network protection feature that integrates advanced signal-coupling technology & premium anti-EMI surface-mounted capacitors to improve throughput & ensure a more reliable connection.\n\n\n\n Internal I/ONumber of M.2 (M) slots 1 Front panel connector Yes Audio connector Yes 12V power connector Yes Supported storage drive interfaces SATA IIIUSB 2.0 connectors 2USB 3.2 Gen 1 (3.1 Gen 1) connectors 1TPM connector Yes S/PDIF out connector Yes Number of SATA III connectors 6 Number of COM connectors 1 Number of chassis fan connectors 2 Front panel audio connector Yes CPU fan connector Yes ATX Power connector (24-pin) Yes RGB LED pin header Yes Technical details Motherboard chipset family AMDMotherboard chipset AMD B450 Parallel processing technology support Not supported HDMI version 2.0b Motherboard form factormicro ATXComponent for PCAudio Audio output channels 7.1+2 channels Performance Supported storage drive types HDD & SSDWindows operating systems supported Windows 10 x 64, Windows 7 x 64 Motherboard chipset family AMDMotherboard chipset AMD B450 Audio output channels 7.1+2 channels Motherboard form factormicro ATXComponent for PCExpansion card interfaces Audio connector Yes Processor Processor manufacturer AMDCompatible processor series AMD Ryzen 3, AMD Ryzen 5, AMD Ryzen 7, 3rd Generation AMD Ryzen 9 Maximum number of SMP processors 1 Processor socket Socket AM4 Memory Number of memory slots 4 Memory slots type DIMMSupported memory types DDR4-SDRAMMemory channels Dual-channel ECCYes Supported memory clock speeds 2133, 2400, 2666, 2800, 3000, 3200, 3300, 3400, 3466, 3600, 3733, 3866, 4000, 4400 MHz Maximum internal memory 128 GBUnbuffered memory Yes Storage controllers Supported storage drive types HDD & SSDSupported storage drive interfaces SATA IIIGraphics Parallel processing technology support Not supported Rear panel I/O ports USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 4USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity 2VGA (D-Sub) ports quantity 1PS/2 ports quantity 1HDMI version 2.0b HDMI ports quantity 1 Ethernet LAN (RJ-45) ports 1DVI-D ports quantity 1 Network Ethernet LANYes Wi-Fi No Wake-on-LAN ready Yes LAN controller Realtek RTL8111 H Ethernet interface type Gigabit Ethernet Features Windows operating systems supported Windows 10 x 64, Windows 7 x 64 Motherboard chipset family AMDMotherboard chipset AMD B450 Audio output channels 7.1+2 channels Motherboard form factormicro ATXComponent for PCExpansion slots Number of M.2 (M) slots 1PCI Express x 1 (Gen 2.x) slots 2PCI Express x 16 (Gen 3.x) slots 1BIOSBIOS type UEFI AMIClear CMOS jumper Yes BIOS memory size 256 Mbit Software Windows operating systems supported Windows 10 x 64, Windows 7 x 64 Drivers included Yes Weight & dimensions Width 244 mm Depth 240 mm Packaging content Drivers included Yes Cables included SATA\n\n\n\n ...

ASUS Prime B450M II Series motherboards provide the solid foundation needed for your first build, plus flexibility to grow with your ambitions. We've melded all the good stuff that's packed into AMD Ryzen&132;&162; processors with essential ASUS design & engineering, so you benefit from industry-leading technologies " including automated system tuning, comprehensive cooling controls, & immersive onboard audio. When you build with an ASUS Prime B450M II Series motherboard, you build smart, easy & affordably. Tune It Your Way Comprehensive controls form the foundation of the ASUS Prime series. The Prime B450M II motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work " maximizing your productivity. Cooler by Design PRIME B450M-K II is engineered with an array of hybrid fan headers & features comprehensive cooling controls that are configurable via Fan Xpert software or via the UEFI BIOS, ensuring your rig stays cool & stable under intense workloads. Build on a Solid Foundation Prime B450M II motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling & flexible transfer options. PCIe 3.0 M.2 (up to 32 Gbps) Achieve speed with onboard M.2 M.2 Slot supports data-transfer speed up to 32 Gbps via x 4 PCI Express&174; 3.0 bandwidth. It&152;s the perfect choice for an operating system or application drive, providing fast access to data. Little Things Make a Big Difference Prime B450M II series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive interface that let you customize your system to create a unique personal look. Outstanding Audio Combined onboard features deliver elevated audio Intelligent design & premium hardware create audio quality unlike anything you&153;ve ever experienced.\n\n\n\n Technical details Motherboard chipset family AMDMotherboard chipset AMD B450 Motherboard form factormicro ATXComponent for PCAudio Audio output channels 7.1 channels Performance Windows operating systems supported Windows 10 x 64, Windows 7 x 64 Motherboard chipset family AMDMotherboard chipset AMD B450RAID levels 0, 1, 10 Audio output channels 7.1 channels Motherboard form factormicro ATXComponent for PCExpansion card interfaces Audio connector Yes Processor Processor manufacturer AMDCompatible processor series AMD Ryzen 3, 2nd Generation AMD Ryzen&132;&162; 3, AMD Ryzen 5, 2nd Generation AMD Ryzen&132;&162; 5, AMD Ryzen 7, 2nd Generation AMD Ryzen&132;&162; 7, AMD Ryzen Threadripper, AMD Ryzen&132;&162; Threadripper&132;&162;: The Second Generation Processor socket Socket AM4 Memory Number of memory slots 2 Memory slots type DIMMSupported memory types DDR4-SDRAMECCYes Supported memory clock speeds 2133, 2400, 2666, 2800, 2933, 3000, 3200 MHz Maximum internal memory 64 GBUnbuffered memory Yes Storage controllers Supported storage drive interfaces M.2, PCI Express 3.0, SATA IIIRAID levels 0, 1, 10 Internal I/OAudio connector Yes Supported storage drive interfaces M.2, PCI Express 3.0, SATA IIIUSB 2.0 connectors 2USB 3.2 Gen 1 (3.1 Gen 1) connectors 1S/PDIF out connector Yes Number of SATA III connectors 4 Number of chassis fan connectors 2 Front panel audio connector Yes CPU fan connector Yes ATX Power connector (24-pin) Yes Rear panel I/O ports USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 4USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity 3VGA (D-Sub) ports quantity 1PS/2 ports quantity 2 Microphone in Yes Headphone outputs 1 Ethernet LAN (RJ-45) ports 1DVI-D ports quantity 1 Network Ethernet LANYes Wi-Fi No Ethernet interface type Gigabit Ethernet Features Windows operating systems supported Windows 10 x 64, Windows 7 x 64 Motherboard chipset family AMDMotherboard chipset AMD B450 Audio output channels 7.1 channels Motherboard form factormicro ATXComponent for PCAudio chip Realtek ALC887-VD2 Expansion slots PCI Express x 1 (Gen 2.x) slots 2PCI Express x 16 (Gen 3.x) slots 2BIOSBIOS type UEFI AMIBIOS memory size 128 Mbit ACPI version 6.1 Software Windows operating systems supported Windows 10 x 64, Windows 7 x 64 Bundled software Armoury Crate, AI Suite 3, Performance & Power, Saving Utility, Turbo V EVO, EPU, DIGI+ VRM, Fan Xpert, PC Cleaner, EZ update, System Information, ASUS CPU-Z, AI Charger, ASUS EZ Installer, DAEMON Tools, Norton Anti-virus software (Free Trial for 60 days), Win RAR, UEFI BIOS, ASUS EZ DIY, ASUS Crash Free BIOS 3, ASUS EZ Flash 3, ASUS UEFI BIOS EZ Mode Weight & dimensions Width 244 mm Depth 244 mm Packaging content Cables included SATABundled software Armoury Crate, AI Suite 3, Performance & Power, Saving Utility, Turbo V EVO, EPU, DIGI+ VRM, Fan Xpert, PC Cleaner, EZ update, System Information, ASUS CPU-Z, AI Charger, ASUS EZ Installer, DAEMON Tools, Norton Anti-virus software (Free Trial for 60 days), Win RAR, UEFI BIOS, ASUS EZ DIY, ASUS Crash Free BIOS 3, ASUS EZ Flash 3, ASUS UEFI BIOS EZ Mode\n\n\n\n ...

ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions & intelligent tuning options, Prime B550 series motherboards provide daily users & DIY PC builders a range of performance tuning options via intuitive software & firmware features.nn Tune It Your Wayn Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work " maximizing your productivity.nn Cool to the Coren Prime B550 series is engineered with multiple onboard heatsinks & an array of hybrid fan headers to ensure your rig stays cool & stable under intense workloads.nn VRM Heatsink & Thermal Padsn Two massive VRM heatsinks with underneath thermal pads improve heat transfer from the MOSFETs & chokes for better cooling performance.nn Build on a Solid Foundationn Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling & flexible transfer options.nn PCIe 4.0 M.2n (up to 64 Gbps)n Achieve Speed With Onboard M.2n PCIe 4.0 M.2 Slot supports up to 22110 & provide NVMe SSD RAID support for an incredible performance boost. Create a RAID configuration with up to 64 Gbps PCIe 4.0 storage device to enjoy the fastest data-transfer speeds on the 3rd Generation AMD Ryzen platform.nn Little Things Make a Big Differencen Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive RGB lighting controls that let you customize your system to create a uniquely personal look.nn Outstanding Audion Combined onboard features deliver elevated audion Intelligent design & premium hardware create audio quality unlike anything you've ever experienced.\n\n\n\n Product ID: 90MB14U0-M0EAY0\n\n\n\n\n\n Model: PRIME B550-PLUS\n\n\n\n\n\n\n\n\n\n\n\n\n\n ...

ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions & intelligent tuning options, Prime B550 series motherboards provide daily users & DIY PC builders a range of performance tuning options via intuitive software & firmware features.nn Tune It Your Wayn Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work " maximizing your productivity.nn Cool to the Coren Prime B550 series is engineered with multiple onboard heatsinks & an array of hybrid fan headers to ensure your rig stays cool & stable under intense workloads.nn VRM Heatsink & Thermal Padsn Two massive VRM heatsinks with underneath thermal pads improve heat transfer from the MOSFETs & chokes for better cooling performance.nn Build on a Solid Foundationn Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling & flexible transfer options.nn PCIe 4.0 M.2n (up to 64 Gbps)n Achieve Speed With Onboard M.2n PCIe 4.0 M.2 Slot supports up to 22110 & provide NVMe SSD RAID support for an incredible performance boost. Create a RAID configuration with up to 64 Gbps PCIe 4.0 storage device to enjoy the fastest data-transfer speeds on the 3rd Generation AMD Ryzen platform.nn Little Things Make a Big Differencen Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive RGB lighting controls that let you customize your system to create a uniquely personal look.nn Outstanding Audion Combined onboard features deliver elevated audion Intelligent design & premium hardware create audio quality unlike anything you've ever experienced.\n\n\n\n Product ID: 90MB14U0-M0EAY0\n\n\n\n\n\n Model: PRIME B550-PLUS\n\n\n\n\n\n\n\n\n\n\n\n\n\n ...

ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions & intelligent tuning options, Prime B550 series motherboards provide daily users & DIY PC builders a range of performance tuning options via intuitive software & firmware features.\n \n Tune It Your Way\n Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work " maximizing your productivity.\n \n Cool to the Core\n Prime B550 series is engineered with multiple onboard heatsinks & an array of hybrid fan headers to ensure your rig stays cool & stable under intense workloads.\n \n VRM Heatsink & Thermal Pads\n A VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs & chokes for better cooling performance.\n \n Build on a Solid Foundation\n Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling & flexible transfer options.\n \n Little Things Make a Big Difference\n Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive RGB lighting controls that let you customize your system to create a uniquely personal look.\n \n Outstanding Audio\n Combined onboard features deliver elevated audio\n Intelligent design & premium hardware create audio quality unlike anything you've ever experienced.\n \n Audio Shielding\n Separates analog/digital signal domains, significantly reducing multi-lateral interference.\n \n Separate Layer for Left & Right Tracks\n Ensures minimal crosstalk between audio paths.\n \n Premium Japanese Capacitors\n Premium parts provide an immersive sound signature, with exceptional fidelity.\n\n Technical details Motherboard chipset family AMDMotherboard chipset AMD B550 Motherboard form factor Micro ATXPerformance Motherboard chipset family AMDMotherboard chipset AMD B550 Motherboard form factor Micro ATXProcessor Processor manufacturer AMDCompatible processor series AMD Ryzen Processor socket Socket AM4 Memory Number of memory slots 4 Memory slots type DIMMSupported memory types DDR4-SDRAMSupported memory clock speeds 2133, 2400, 2666, 2800, 3000, 3200, 3333, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400, 4600 MHz Maximum internal memory 128 GBStorage controllers Supported storage drive interfaces M.2, Serial ATAInternal I/OSupported storage drive interfaces M.2, Serial ATAUSB 2.0 connectors 2USB 3.2 Gen 1 (3.1 Gen 1) connectors 1 Number of SATA connectors 4 Rear panel I/O ports USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 4USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity 2PS/2 ports quantity 1HDMI ports quantity 1 Ethernet LAN (RJ-45) ports 1DVI-D ports quantity 1 Network Wi-Fi Yes Bluetooth Yes Bluetooth version 5.1 Features Motherboard chipset family AMDMotherboard chipset AMD B550 Motherboard form factor Micro ATXBIOSBIOS type UEFI AMIBIOS memory size 256 Mbit\n\n\n\n ...

ASUS Prime series is expertly engineered to unleash the full potential of 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions & intelligent tuning options, Prime B550 series motherboards provide daily users & DIY PC builders a range of performance tuning options via intuitive software & firmware features. Tune It Your Way Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work " maximizing your productivity. UEFI BIOS The renowned ASUS UEFI BIOS provides everything you need to configure, tweak & tune your system. It offers intelligently simplified options for PC DIY beginners, as well as comprehensive features for seasoned veterans. Advanced Tuning for Serious Tweakers An intuitive Advanced mode offered via the UEFI lets you take complete control. A built-in search feature makes it easy to find options, & various Advanced functions let you intelligently make nuanced adjustments so you can dial in performance just the way you want. Quick & Simple Setup EZ mode displays vital settings & stats & also offers guided wizards, drag-&-drop functionality, & one-click application of important settings " all to help you get your rig up & running in no time. Intuitive Graphical Fan Control Fine-tune individual fan settings simply by dragging a curve with the mouse. EZ XMP Improve DRAM performance with one click. Aura On/ Off mode (Stealth) Easily enable or disable Aura RGB lighting or every onboard LED, for a subdued aesthetic touch. Cool to the Core Prime B550 series is engineered with multiple onboard heatsinks & an array of hybrid fan headers to ensure your rig stays cool & stable under intense workloads. VRM Heatsink & Thermal Pads A VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs & chokes for better cooling performance. Cooler by Design Prime B550 series features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS. Each header can dynamically reference three thermal sensors. Fan Xpert 2+ means that you can map the temperature of supported ASUS graphics cards to optimize cooling for GPU- & CPU-intensive tasks. A dedicated integrated circuit protects each fan header from overheating & overcurrent. Each onboard chassis fan header supports PWM & DC mode. Build on a Solid Foundation Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling & flexible transfer options. PCIe 4.0 M.2 (up to 64 Gbps) Achieve speed with onboard M.2 PCIe 4.0 M.2 Slot supports up to 22110 & provide NVMe SSD RAID support for an incredible performance boost. Create a RAID configuration with up to PCIe 4.0 storage device to enjoy the fastest data-transfer speeds on AMD Ryzen&132;&162; 5000 Series/ 3000 Series Processors. Wi-Fi 6 Wi-Fi 6 module is compatible with the 802.11ax standard & pushes theoretical peak bandwidth up to an incredible 2.4 Gbps. Perhaps more importantly for power users, it's optimized for more efficient operation on crowded networks with a lot of competing traffic. Pair your motherboard with ASUS Wi Fi 6 routers to fully experience the networking potential of Wi Fi 6. USB (Universal Serial Bus) 3.2 Gen 2 Type-A Numerous USB (Universal Serial Bus) ports support high-end rigs loaded with peripherals, including two rear-panel USB (Universal Serial Bus) Type-A connectors with fast USB (Universal Serial Bus) 3.2 Gen 2 connectivity for compatible cases. Little Things Make a Big Difference Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive RGB lighting controls that let you customize your system to create a uniquely personal look. Outstanding Audio Combined onboard features deliver elevated audio Intelligent design & premium hardware create audio quality unlike anything you've ever experienced. Aura Sync Outshine the Competition A well-tuned enthusiast system deserves a matching aesthetic. ASUS Aura offers full RGB lighting control with a variety of functional presets for RGB LED strips connected to the onboard RGB headers. & it can all be synced with an ever-growing portfolio of Aura-capable hardware. Addressable Gen 2 Header The addressable Gen 2 header is now capable of detecting the number of LEDs on second-gen addressable RGB devices, allowing the software to automatically tailor lighting effects to specific devices. The new header also offers backward-compatibility with existing Aura RGB gear. Armoury Crate Armoury Crate is a new software utility designed to give you centralized control of supported products. From a single intuitive interface, Armoury Crate means that you can easily customize RGB lighting & effects for every compatible device in your arsenal. The software also provides control of settings for ASUS products, including keyboard & mouse preferences. Armoury Crate even features dedicated product registration & highlight to help you stay in touch with the ASUS community. Safe Slot Core Fortified PCIe slot prevents damage Safe Slot Core is the ASUS-exclusive PCIe slot. Featuring a fortified design that's anchored to the motherboard by a special hook, Safe Slot Core provides 1.6x stronger retention & 1.3x greater shearing resistance than standard expansion slots. Overvoltage Protection World-class circuit-protecting power design An exclusive circuit design with built-in voltage regulators to protect your motherboard from damage caused by unexpected high-level voltages from unstable or inferior power supplies. DRAM Overcurrent Protection Short-circuit damage prevention Onboard resettable fuses prevent overcurrent & short-circuit damage. This extends beyond I/O ports to DRAM to safeguard the lifespan of your system & connected devices. Stainless-Steel Back I/O 3X corrosion-resistance for greater durability Corrosion-resistant stainless-steel back I/O panels bonded with chromium oxide have a lifespan that's three times longer than ordinary panels. LANGuard Pumped-up throughput 2.5X higher surge tolerance ASUS LANGuard is a hardware-level network protection feature that integrates advanced signal-coupling technology & premium anti-EMI surface-mounted capacitors to improve throughput & ensure a more reliable connection.\n\n\n\n Internal I/ONumber of M.2 (M) slots 212V power connector Yes Supported storage drive interfaces M.2, PCI Express 3.0, PCI Express 4.0, SATA IIIUSB 2.0 connectors 2USB 3.2 Gen 1 (3.1 Gen 1) connectors 1TPM connector Yes S/PDIF out connector Yes Number of SATA III connectors 4 Number of EATX power connectors 1 Number of COM connectors 1 Number of chassis fan connectors 2 Front panel audio connector Yes EPS power connector (8-pin) Yes CPU fan connector Yes ATX Power connector (24-pin) Yes RGB LED pin header Yes Technical details Motherboard chipset family AMDMotherboard chipset AMD B550 Supported processor sockets Socket AM4 Parallel processing technology support Not supported HDMI version 2.1 Motherboard form factormicro ATXComponent for PCAudio Audio output channels 7.1 channels Performance Supported storage drive types HDD & SSDWindows operating systems supported Windows 10 x 64, Windows 11 x 64 Motherboard chipset family AMDMotherboard chipset AMD B550RAID levels 0, 1, 10 Supported processor sockets Socket AM4 Audio output channels 7.1 channels Motherboard form factormicro ATXComponent for PCProcessor Processor manufacturer AMDCompatible processor series AMD Ryzen 3, AMD Ryzen 5, AMD Ryzen 7, 3rd Generation AMD Ryzen 9, AMD Ryzen 9 5th Gen Supported processor sockets Socket AM4 Processor socket Socket AM4 Memory Number of memory slots 4 Memory slots type DIMMSupported memory types DDR4-SDRAMMemory channels Dual-channel ECCYes Supported memory clock speeds 2133, 2400, 2666, 2800, 3000, 3200, 3333, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400, 4466, 4600, 4800, 4866 MHz Maximum internal memory 128 GBUnbuffered memory Yes Storage controllers Supported storage drive types HDD & SSDSupported storage drive interfaces M.2, PCI Express 3.0, PCI Express 4.0, SATA IIIRAID levels 0, 1, 10 Number of storage drives supported 6RAID support Yes Graphics Parallel processing technology support Not supported Rear panel I/O ports USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 4USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity 2USB connector type USB Type-AWi Fi-AP antenna jack 1VGA (D-Sub) ports quantity 1PS/2 ports quantity 1 Microphone in Yes Headphone outputs 1HDMI version 2.1HDMI ports quantity 1 Ethernet LAN (RJ-45) ports 1DVI-D ports quantity 1 Network Ethernet LANYes Wi-Fi Yes Wi-Fi standards 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax) Wake-on-LAN ready Yes LAN controller Realtek RTL8111 H Ethernet interface type Gigabit Ethernet Bluetooth Yes Bluetooth version 5.2 Top Wi-Fi standard Wi-Fi 6 (802.11ax) Features Windows operating systems supported Windows 10 x 64, Windows 11 x 64 Motherboard chipset family AMDMotherboard chipset AMD B550 Supported processor sockets Socket AM4 Audio output channels 7.1 channels Motherboard form factormicro ATXComponent for PCExpansion slots Number of M.2 (M) slots 2PCI Express x 1 (Gen 3.x) slots 2PCI Express x 16 (Gen 3.x) slots 1PCI Express x 16 (Gen 4.x) slots 1BIOSBIOS type UEFI AMIClear CMOS jumper Yes BIOS memory size 256 Mbit Software Windows operating systems supported Windows 10 x 64, Windows 11 x 64 Drivers included Yes Weight & dimensions Width 244 mm Depth 244 mm Packaging content Drivers included Yes Cables included SATAOther features Packaging content 2 x SATA 6 Gb/s cables 1 x ASUS Wi-Fi moving antennas 1 x I/O Shield 1 x M.2 SSD screw package 1 x Support DVD 1 x User manual\n\n\n\n ...

AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB (Universal Serial Bus) 3.2 Gen 2 Type-A, & Aura Sync RGB headers support\n\n ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions & intelligent tuning options, Prime B550 series motherboards provide daily users & DIY PC builders a range of performance tuning options via intuitive software & firmware features.\n\n ASUS Corporate Stable Model\n\n ASUS Corporate Stable Model (CSM) is a commercial program designed to provide stable & reliable motherboards. Offering up to 36-month product lifecycle support & 6-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Each purchase of an ASUS CSM motherboard comes with ASUS Control Center Express
- server-grade IT management software.\n\n* Lifecycle support for consumer chipsets (eg. Q370, H370, B360, H270, B250) is set at 15 months. Program offerings may vary by region. Please consult your local sales representative for more information.\n\n ASUS Control Center Express\n\n ASUS Control Center Express is an integrated IT monitoring & management software designed to deploy faster, simplify IT operations & improve productivity with comprehensive control & user-friendly functions. ASUS Control Center Express is compatible with over 100 ASUS motherboards to provide a high-quality, TCO-optimized solution for your business needs.\n\n Optimize IT endpoint management\n\n Designed to assist IT staff in monitoring & controlling devices within their corporate networks, & facilitate inventory checking in multiple locations remotely\n\n Automate IT maintenance\n\n Allows IT staff to schedule automatic updates of the latest BIOS, software & utilities to specific or all devices at off-peak times, enhancing system stability & IT operational flexibility\n\n Securely manage all of endpoints\n\n Securely manage endpoint configuration, portable storage access & PC software applications by enabling them to create grouping rules on individual devices\n\n Tune It Your Way\n\n Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work " maximizing your productiv\n\n Cool to the Core\n\n Prime B550 series is engineered with multiple onboard heatsinks & an array of hybrid fan headers to ensure your rig stays cool & stable under intense workloads.\n\n VRM Heatsink & Thermal Pads\n\n A VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs & chokes for better cooling performance.\n\n Build on a Solid Foundation\n\n Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling & flexible transfer options.\n\n PCIe 4.0 M.2\n (up to 64 Gbps)\n Achieve speed with onboard M.2\n\n PCIe 4.0 M.2 Slot supports up to 22110 & provide NVMe SSD RAID support for an incredible performance boost. Create a RAID configuration with up to PCIe 4.0 storage device to enjoy the fastest data-transfer speeds on the 3rd Generation AMD Ryzen platform.\n\n Little Things Make a Big Difference\n\n Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive RGB lighting controls that let you customize your system to create a uniquely personal look.\n\n Outstanding Audio\n Combined onboard features deliver elevated audio\n\n Intelligent design & premium hardware create audio quality unlike anything you've ever experienced.\n\n Audio Shielding\n\n Separates analog/digital signal domains, significantly reducing multi-lateral interference.\n\n Separate Layer for Left & Right Tracks\n\n Ensures minimal crosstalk between audio paths.\n\n Premium Japanese Capacitors\n\n Premium parts provide an immersive sound signature, with exceptional fidelity.\n\n\n\n\n\n Product Model: Prime B550M-A/CSM\n\n\n
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AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB (Universal Serial Bus) 3.2 Gen 2 Type-A, & Aura Sync RGB headers support\n\n ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions & intelligent tuning options, Prime B550 series motherboards provide daily users & DIY PC builders a range of performance tuning options via intuitive software & firmware features.\n\n ASUS Corporate Stable Model\n\n ASUS Corporate Stable Model (CSM) is a commercial program designed to provide stable & reliable motherboards. Offering up to 36-month product lifecycle support & 6-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Each purchase of an ASUS CSM motherboard comes with ASUS Control Center Express
- server-grade IT management software.\n\n* Lifecycle support for consumer chipsets (eg. Q370, H370, B360, H270, B250) is set at 15 months. Program offerings may vary by region. Please consult your local sales representative for more information.\n\n ASUS Control Center Express\n\n ASUS Control Center Express is an integrated IT monitoring & management software designed to deploy faster, simplify IT operations & improve productivity with comprehensive control & user-friendly functions. ASUS Control Center Express is compatible with over 100 ASUS motherboards to provide a high-quality, TCO-optimized solution for your business needs.\n\n Optimize IT endpoint management\n\n Designed to assist IT staff in monitoring & controlling devices within their corporate networks, & facilitate inventory checking in multiple locations remotely\n\n Automate IT maintenance\n\n Allows IT staff to schedule automatic updates of the latest BIOS, software & utilities to specific or all devices at off-peak times, enhancing system stability & IT operational flexibility\n\n Securely manage all of endpoints\n\n Securely manage endpoint configuration, portable storage access & PC software applications by enabling them to create grouping rules on individual devices\n\n Tune It Your Way\n\n Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work " maximizing your productiv\n\n Cool to the Core\n\n Prime B550 series is engineered with multiple onboard heatsinks & an array of hybrid fan headers to ensure your rig stays cool & stable under intense workloads.\n\n VRM Heatsink & Thermal Pads\n\n A VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs & chokes for better cooling performance.\n\n Build on a Solid Foundation\n\n Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling & flexible transfer options.\n\n PCIe 4.0 M.2\n (up to 64 Gbps)\n Achieve speed with onboard M.2\n\n PCIe 4.0 M.2 Slot supports up to 22110 & provide NVMe SSD RAID support for an incredible performance boost. Create a RAID configuration with up to PCIe 4.0 storage device to enjoy the fastest data-transfer speeds on the 3rd Generation AMD Ryzen platform.\n\n Little Things Make a Big Difference\n\n Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive RGB lighting controls that let you customize your system to create a uniquely personal look.\n\n Outstanding Audio\n Combined onboard features deliver elevated audio\n\n Intelligent design & premium hardware create audio quality unlike anything you've ever experienced.\n\n Audio Shielding\n\n Separates analog/digital signal domains, significantly reducing multi-lateral interference.\n\n Separate Layer for Left & Right Tracks\n\n Ensures minimal crosstalk between audio paths.\n\n Premium Japanese Capacitors\n\n Premium parts provide an immersive sound signature, with exceptional fidelity.\n\n\n\n\n\n Product Model: Prime B550M-A/CSM\n\n\n
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ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions & intelligent tuning options, Prime B550 series motherboards provide daily users & DIY PC builders a range of performance tuning options via intuitive software & firmware features.\n\n Tune It Your Way\n Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work " maximizing your productivity.\n\n Cooler by Design\n Prime B550M-K is engineered with an array of hybrid fan headers & features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS, ensuring your rig stays cool & stable under intense workloads.\n\n Build on a Solid Foundation\n Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling & flexible transfer options.\n\n Little Things Make a Big Difference\n Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive interface that let you customize your system to create a uniquely personal look.\n\n Outstanding Audio\n Combined onboard features deliver elevated audio\n Intelligent design & premium hardware create audio quality unlike anything you've ever experienced.\n\n\n\n\n\n Product Model: PRIME B550M-K\n\n\n ...

ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions & intelligent tuning options, Prime B550 series motherboards provide daily users & DIY PC builders a range of performance tuning options via intuitive software & firmware features.\n\n Tune It Your Way\n Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work " maximizing your productivity.\n\n Cooler by Design\n Prime B550M-K is engineered with an array of hybrid fan headers & features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS, ensuring your rig stays cool & stable under intense workloads.\n\n Build on a Solid Foundation\n Prime B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling & flexible transfer options.\n\n Little Things Make a Big Difference\n Prime B550 series adds the nuanced details that improve every experience, from exclusive codecs that provide pristine audio quality to intuitive interface that let you customize your system to create a uniquely personal look.\n\n Outstanding Audio\n Combined onboard features deliver elevated audio\n Intelligent design & premium hardware create audio quality unlike anything you've ever experienced.\n\n\n\n\n\n Product Model: PRIME B550M-K\n\n\n ...