Features Ready for Ryzen™: Latest AMD socket TR4 for Threadripper™ processors. 5-Way Optimization: One-click, system-wide tuning, delivering optimized overclocks & intelligent cooling for CPU or GPU-intensive tasks. Industry-leading cooling options: Comprehensive controls for fans & water pumps, via Fan Xpert 4 software or the acclaimed ASUS UEFI. Next-gen connectivity: Onboard U.2, M.2 & front-panel USB (Universal Serial Bus) 3.1 Gen 2 connector. M.2 heatsink: Ultra-efficient heatsink reduces M.2 SSD temperatures by up to 20°C for unthrottled transfer speeds & enhanced reliability. Aura Sync: Controllable onboard RGB lighting easily syncs with an ever-growing portfolio of Aura Sync-capable hardware. Overview ASUS Prime X399-A is the EATX motherboard thats been expertly engineered for professional content creators & power users who work hard by day & play harder by night. This powerful, innovative board puts a friendly face on advanced enthusiast controls, enabling you to maximize performance, cooling & personalization with ease. So, if you live to create, explore, & to push the boundaries, look no further than the Prime X399-A.
Specification CPU AMD Socket TR4 for AMD Ryzen™ Threadripper™ Processors * Refer to www.asus.com for CPU support list Chipset AMD X399 Memory AMD Ryzen™ Threadripper™ Processors 8 x DIMM, Max. 128GB, DDR4 3600 (O.C.)/3466 (O.C.)/3333 (O.C.)/3200 (O.C.)/3000 (O.C.)/2800 (O.C.)/2666/2400/2133 MHz ECC & non-ECC, Un-buffered Memory * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists). Multi-GPU Support Supports NVIDIA Quad-GPU SLI™ Technology Supports NVIDIA 3-Way SLI™ Technology Supports NVIDIA 2-Way SLI™ Technology Supports AMD Quad-GPU Cross Fire X™ Technology Supports AMD 3-Way Cross Fire X™ Technology Supports AMD 2-Way Cross Fire X Technology Expansion Slots AMD Ryzen™ Threadripper™ Processors 4 x PCIe 3.0 x 16 (single@x 16, dual@x 16/x 16, triple@x 16/x 16/x 8 mode) AMD X399 chipset 1 x PCIe 2.0 x 4 (max at x 4 mode) 1 x PCIe 2.0 x 1 Storage AMD Ryzen™ Threadripper™ Processors: 1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode) 1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode) 1 x U.2 port AMD X399 chipset: 6 x SATA 6 Gb/s port (s), Support Raid 0, 1, 10 LAN Intel I211-AT ASUS Turbo LAN Utility ASUS LAN Guard Audio Realtek ALC S1220A 8-Channel High Definition Audio CODEC featuring Crystal Sound 3
- Impedance sense for front & rear headphone outputs
- Internal audio Amplifier to enhance the highest quality sound for headphone & speakers
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- High quality 120 d B (Line-out at rear) & 113 d B SNR recording input (Line-in) Audio Feature :
- DTS Connect
- DTS Headphone:X
- Optical S/PDIF out port (s) at back panel
- Audio Shielding: Ensures precision analog/digital separation & greatly reduced multi-lateral interference
- Dedicated audio PCB layers: Separate layers for left & right channels to guard the quality of the sensitive audio signals
- Premium Japanese-made audio capacitors: Provide warm, natural & immersive sound with exceptional clarity & fidelity
- Unique de-pop circuit: Reduces start-up popping noise to audio outputs
- EMI protection cover to prevent electrical noise to affect the amplifier quality Separate layer for left & right track, ensuring both sound deliver equal quality USB (Universal Serial Bus) Ports AMD Ryzen™ Threadripper™ Processors: 8 x USB (Universal Serial Bus) 3.1 Gen 1 port (s) (8 at back panel, , Type-A) AMD X399 chipset: 1 x USB (Universal Serial Bus) 3.1 Gen 2 port (s) (1 at mid-board) AMD X399 chipset: 4 x USB (Universal Serial Bus) 3.1 Gen 1 port (s) (4 at mid-board) AMD X399 chipset: 4 x USB (Universal Serial Bus) 2.0 port (s) (4 at mid-board) ASMedia USB (Universal Serial Bus) 3.1 Gen 2 controller: 2 x USB (Universal Serial Bus) 3.1 Gen 2 port (s) (Type-A + USB (Universal Serial Bus) Type-CTM) Special Features OC Design
- ASUS PRO Clock Technology
- Full BCLK range for extreme overclocking performance ASUS Dual Intelligent Processors 5-Way Optimization by Dual Intelligent Processors 5 :
- 5-Way Optimization tuning key perfectly consolidates TPU, EPU, DIGI+ VRM, Fan Expert 4, & Turbo App AURA :
- Aura RGB Strip Headers
- Aura Lighting Effects Synchronization with compatible ASUS ROG devices ASUS Exclusive Features :
- USB (Universal Serial Bus) BIOS Flashback
- AI Suite 3
- Ai Charger
- Onboard Button: Power
- ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface
- Turbo LAN
- Crystal Sound 3
- PC Cleaner ASUS Quiet Thermal Solution :
- Stylish Design Heat-pipe solution
- Stylish Fanless Design with M.2 Heat-sink solution
- ASUS Fan Xpert 4 ASUS EZ DIY :
- ASUS EZ Flash 3
- ASUS USB (Universal Serial Bus) BIOS Flashback
- ASUS UEFI BIOS EZ Mode
- Multi-language BIOS ASUS Q-Design :
- ASUS Q-Shield
- ASUS Q-Code
- ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED)
- ASUS Q-Slot
- ASUS Q-DIMM
- ASUS Q-Connector Gaming Aesthetics :
- 3D printing friendly
- AURA-RGB Lighting M.2 & U.2 Onboard (The Latest Transfer Technology with up to 32 Gb/s Data-transfer Speeds for M.2 & U.2) Back I/O Ports 1 x LAN (RJ45) port (s) 2 x USB (Universal Serial Bus) 3.1 Gen 2 (teal blue) Type-A + USB (Universal Serial Bus) Type-CTM 8 x USB (Universal Serial Bus) 3.1 Gen 1 (blue) 1 x Optical S/PDIF out 5 x Audio jack (s) 1 x USB (Universal Serial Bus) BIOS Flashback Button (s) Internal I/O Ports 1 x 3-pin Cover fan (COV_FAN) connector 1 x Q_ Code 1 x U.2 port 2 x RGB Header (s) 2 x USB (Universal Serial Bus) 3.1 Gen 1 connector (s) support (s) additional 4 USB (Universal Serial Bus) 3.1 Gen 1 port (s) 2 x USB (Universal Serial Bus) 2.0 connector (s) support (s) additional 4 USB (Universal Serial Bus) 2.0 port (s) 1 x M.2 Socket 3 with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode) 1 x M.2 Socket 3 with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode) 6 x SATA 6 Gb/s connector (s) 1 x M.2_FAN connector 1 x CPU Fan connector (s) 1 x CPU OPT Fan connector (s) 3 x Chassis Fan connector (s) 1 x AIO_PUMP connector 1 x W_PUMP+ connector 1 x 24-pin EATX Power connector (s) 1 x 8-pin ATX 12V Power connector (s) 1 x 4-pin ATX 12V Power connector (s) 1 x Front panel audio connector (s) (AAFP) 1 x System panel (s) 1 x 5-pin EXT_FAN (Extension Fan) connector 1 x Thermal sensor connector (s) 1 x Power-on button (s) 1 x Clear CMOS button (s) 1 x USB (Universal Serial Bus) 3.1 Gen 2 front panel connector Accessories Users manual ASUS Q-Shield 1 x Vertical M.2 bracket set 4 x SATA 6 Gb/s cable (s) 1 x M.2 Screw Package 1 x Supporting DVD 1 x SLI HB BRIDGE (2-WAY-M) 1 x Q-Connector BIOS 128 Mb Flash ROM, UEFI AMI BIOS, Pn P, Wf M2.0, SM BIOS 3.0, ACPI 6.1, Multi-language BIOS, ASUS EZ Flash 3, Crash Free BIOS 3, F11 EZ Tuning Wizard, F6 Qfan Control, F3 My Favorites, Last Modified log, F12 Print Screen & ASUS DRAM SPD (Serial Presence Detect) memory information Manageability Wf M 2.0, DMI 3.0, WOL by PME, PXE Operating System Windows 10 64-bit Form Factor Extended ATX Form Factor 12 inch x 10.6 inch (30.5 cm x 26.9 cm )