Gigabyte GA-990X-GAMING SLI Socket AM3+ 7.1 Channel 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 Hyper Transport™ 3.0 5200 MT/s Chipset North Bridge: AMD 990X South Bridge: AMD SB950 Memory 4 x DDR3 DIMM sockets supporting up to 64 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 High Definition Audio 2/4/5.1/7.1-channel Support for S/PDIF Out LAN Intel Gb E LAN chip (10/100/1000 Mbit) Expansion Slots 1 x PCI Express x 16 slot, running at x 16 (PCIEX16) * For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16_1 slot. 1 x PCI Express x 16 slot, running at x 8 (PCIEX8) * The PCIEX8 slot shares bandwidth with the PCIEX16 slot. When the PCIEX8 slot is populated, the PCIEX16 slot will operate at up to x 8 mode. 2 x PCI Express x 1 slots (All of the PCI Express slots conform to PCI Express 2.0 standard.) 2 x PCI slots 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 2242/2260/2280/22110 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 "1-7 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: 2 x USB (Universal Serial Bus) 3.1 Type-A ports (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 serial port header 1 x Clear CMOS jumper 1 x Trusted Platform Module (TPM) header Back Panel Connectors 1 x PS/2 keyboard/mouse port 2 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 Operating System Support for Windows 10/8.1/7 32-bit/64-bit Form Factor ATX Form Factor; 30.5cm x 24.4cm