GIGABYTE UEFI Dual BIOS technology GIGABYTE Ultra Durable 4 Classic technology Supports AMD AM3+ FX/ AM3 Phenom™ II, Athlon II series processors 2 PCI-E 2.0 x 16 interfaces with AMD Cross Fire support 6 native SATA3 ports with up to 6 Gbps link speed & RAID 0, 1, 5, 10 support 4 USB (Universal Serial Bus) 3.0 ports with transfer rates of up to 5 Gbps GIGABYTE On/ Off Charge technology CPU AM3+ Socket: AMD AM3+ FX processors AMD AM3 Phenom™ II processor/ AMD Athlon™ II processor (Please refer "CPU Support List" on gigbayte website for more information) Hyper Transport Bus 4800 MT/s Chipset North Bridge: AMD 970 South Bridge: AMD SB950 Memory 4 x 1.5V 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. (Please refer " Memory Support List" on gigabyte website for more information.) Audio Realtek ALC887 audio codec High Definition Audio 2/4/5.1/7.1-channel Support for S/PDIF Out LAN Realtek 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 slot. 1 x PCI Express x 16 slot, running at x 4 (PCIEX4) 3 x PCI Express x 1 slots (All PCI Express slots conform to PCI Express 2.0 standard.) 2 x PCI slots Storage Interface South Bridge: 6 x SATA 6 Gb/s connectors supporting up to 6 SATA 6 Gb/s devices Support for RAID 0, RAID 1, RAID 5, RAID 10, & JBOD USB (Universal Serial Bus) South Bridge: Up to 12 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: Up to 4 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) Internal I/O Connectors 1 x 24-pin ATX main power connector 1 x 4-pin ATX 12V power 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 Clear CMOS jumper Back Panel Connectors 1 x PS/2 keyboard port 1 x PS/2 mouse port 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 3 x audio jacks (Line In/ Line Out/ Microphone) 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 CPU/system fan speed control function is supported will depend on the CPU/system cooler you install. BIOS 2 x 32 Mbit flash Use of licensed AMI EFI BIOS Support for Dual BIOS Pn P 1.0a, DMI 2.0, SM BIOS 2.6, ACPI 2.0a Unique Features Support for @BIOS Support for Q-Flash Support for Xpress Install Support for Easy Tune * Available functions in Easy Tune may differ by motherboard model Support for Smart Recovery 2 Support for Auto Green Support for ON/OFF Charge Support for 3TB+ Unlock Support for Q-Share Operating System Support for Windows 8/7/XP Form Factor ATX Form Factor; 30.5cm x 21.5cm