Gigabyte GA-970A-DS3 Socket AM3+ DDR3 7.1 Ch HD Audio ATX Motherboard Retail CPU AM3+ Socket: AMD AM3+ FX processors AMD AM3 Phenom II processor/ AMD Athlon II processor (Please refer "CPU Support List" on Gigabyte 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 (Note 1) Dual channel memory architecture Support for DDR3 2000(O.C.)/1866/1600/1333/1066 MHz memory modules (Note 2) (Please refer "Memory Support List" on gigabyte website for more information.) Audio Realtek HD audio codec High Definition Audio 2/4/5.1/7.1-channel Support for S/PDIF Out LAN Realtek GbE LAN chip (10/100/1000 Mbit) Expansion Slots 1 x PCI Express x16 slot, running at x16 (PCIEX16) (Note 3) 1 x PCI Express x16 slot, running at x4 (PCIEX4) 3 x PCI Express x1 slots (All PCI Express slots conform to the PCI Express 2.0 standard.) 2 x PCI slots Storage Interface South Bridge: 6 x SATA 6Gb/s connectors supporting up to 6 SATA 6Gb/s devices Support for RAID 0, RAID 1, RAID 5, RAID 10, and JBOD USB South Bridge: Up to 12 USB 2.0/1.1 ports (6 ports on the back panel, 6 ports available through the internal USB headers) Etron EJ168 chip: Up to 2 USB 3.0/2.0 ports on the back panel Internal I/O Connectors 1 x 24-pin ATX main power connector 1 x 4-pin ATX 12V power connector 6 x SATA 6Gb/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 3 x USB 2.0/1.1 headers 1 x Clear CMOS jumper Back Panel Connectors 1 x PS/2 keyboard/mouse port 6 x USB 2.0/1.1 ports 2 x USB 3.0/2.0 ports 1 x RJ-45 port 3 x audio jacks (Line In/Line Out/Microphone) I/O Controller iTE IT8728 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 (Note 4) BIOS 2 x 32 Mbit flash Use of licensed AWARD BIOS Support for DualBIOS PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b Unique Features Support for @BIOS Support for Q-Flash Support for Download Center Support for Xpress Install Support for Xpress Recovery2 Support for EasyTune (Note 5) Support for Turbo XHD Support for Smart Recovery Support for Auto Green Support for ON/OFF Charge Support for 3TB+ Unlock Support for Q-Share Operating System Support for Microsoft Windows 7/Vista/XP Form Factor ATX Form Factor; 30.5cm x 22.5cm Note (Note 1) Due to 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 4 GB. (Note 2) To support a DDR3 1866 MHz (and above) memory, you must install an AM3+ CPU first. (Note 3) For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot. (Note 4) Whether the CPU/system fan speed control function is supported will depend on the CPU/system cooler you install. (Note 5) Available functions in EasyTune may differ by motherboard model.