Gigabyte GA-990FX-Gaming Socket AM3+ ATX Motherboard Specifications: CPU AM3+ Socket: AMD AM3+ FX processor AMD AM3 Phenom II processor/ AMD Athlon II processor (Please refer "CPU Support List" for more information.) Hyper Transport Bus 5200 MT/s Chipset North Bridge: AMD 990FX South Bridge: AMD SB950 Memory 4 x DDR3 DIMM sockets supporting up to 32 GB of system memory * Due to a Windows 32-bit operating system limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than the size of the physical memory installed. Dual channel memory architecture Support for DDR3 2000 (O.C.)/1866/1600/1333/1066 MHz memory modules * To support a DDR3 1866 MHz (and above) memory, you must install an AM3+ CPU first. Support for Extreme Memory Profile (XMP) memory modules (Please refer " Memory Support List" for more information.) Audio Realtek ALC1150 codec TI Burr Brown OPA2134 operational amplifier High Definition Audio 2/4/5.1/7.1-channel Support for S/PDIF Out LAN: Rivet Networks Killer E2201 LAN chip (10/100/1000 Mbit) Expansion Slots 2 x PCI Express x 16 slots, running at x 16 (PCIEX16_1/PCIEX16_2) * For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16_1 slot; if you are installing two PCI Express graphics cards, it is recommended that you install them in the PCIEX16_1 & PCIEX16_2 slots. 1 x PCI Express x 16 slot, running at x 4 (PCIEX4) * The PCIEX4 slot shares bandwidth with the PCIEX1_3 slot. When PCIEX1_3 is populated with a PCI Express expansion card, the PCIEX4 slot will operate at up to x 2 mode. 3 x PCI Express x 1 slots (All of the PCI Express slots conform to PCI Express 2.0 standard.) Multi-Graphics Technology Support for NVIDIA Quad-GPU SLI & 2-Way NVIDIA SLI Technologies Support for AMD Quad-GPU Cross Fire X & 2-Way AMD Cross Fire Technologies Storage Interface South Bridge: 1 x M.2 connector (Socket 3, M key, type 2242/2260/2280 SATA & PCIe x 4/x 2/x 1 SSD support) 6 x SATA 6 Gb/s connectors Support for RAID 0, RAID 1, RAID 5, RAID 10, & JBOD * Refer to "1-9 Internal Connectors, for the supported configurations with the M.2 & SATA connectors. USB (Universal Serial Bus) South Bridge: 12 x USB (Universal Serial Bus) 2.0/1.1 ports (6 ports on the back panel, 6 ports available through the internal USB (Universal Serial Bus) headers) VIA VL805 chip: 4 x USB (Universal Serial Bus) 3.0/2.0 ports (2 ports on the back panel, 2 ports available through the internal USB (Universal Serial Bus) header) ASMedia USB (Universal Serial Bus) 3.1 Controller: 1 x USB (Universal Serial Bus) Type-C port on the back panel, with USB (Universal Serial Bus) 3.1 support 1 x USB (Universal Serial Bus) 3.1 Type-A port (red) on the back panel Internal I/O Connectors 1 x 24-pin ATX main power connector 1 x 8-pin ATX 12V power connector 1 x M.2 Socket 3 connector 6 x SATA 6 Gb/s connectors 1 x CPU fan header 2 x system fan headers 1 x power fan header 1 x front panel header 1 x front panel audio header 1 x S/PDIF Out header 1 x USB (Universal Serial Bus) 3.0/2.0 header 3 x USB (Universal Serial Bus) 2.0/1.1 headers 1 x Trusted Platform Module (TPM) header 1 x serial port header 1 x Clear CMOS jumper 1 x audio gain control switch 1 x power button 1 x reset button 1 x Clear CMOS button Back Panel Connectors 1 x PS/2 keyboard/mouse port 1 x USB (Universal Serial Bus) Type-C™ port, with USB (Universal Serial Bus) 3.1 support 1 x USB (Universal Serial Bus) 3.1 Type-A port (red) 2 x USB (Universal Serial Bus) 3.0/2.0 ports 6 x USB (Universal Serial Bus) 2.0/1.1 ports 1 x RJ-45 port 1 x optical S/PDIF Out connector 5 x audio jacks (Center/ Subwoofer Speaker Out, Rear Speaker Out, Line In, Line Out, Mic In) I/O Controller: i TE I/O Controller Chip H/W Monitoring System voltage detection CPU/ System temperature detection CPU/ System/ Power fan speed detection CPU overheating warning CPU/ System/ Power fan fail warning CPU/ System fan speed control * Whether the fan speed control function is supported will depend on the cooler you install. BIOS 2 x 32 Mbit flash Use of licensed AMI UEFI BIOS Support for Dual BIOS Pn P 1.0a, DMI 2.7, Wf M 2.0, SM BIOS 2.7, ACPI 5.0 Unique Features Support for APP Center * Available applications in APP Center may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specifications. @BIOS Ambient LED Cloud Station Easy Tune Game Controller Smart Time Lock Smart Recovery 2 System Information Viewer USB (Universal Serial Bus) Blocker Support for Q-Flash Support for ON/OFF Charge Support for Smart Switch Support for Xpress Install Bundle Software: Norton Internet Security (OEM version) Operating System: Support for Windows 10/8.1/7 Form Factor: ATX Form Factor; 30.5cm x 24.4cm