The 970A-D3 motherboard is designed to offer a stable, high-speed platform for delivering amazingly fast data transfer. Featuring the USB (Universal Serial Bus) 3.0 controller, AMD 900 series motherboard allows users to take advantage of super fast USB (Universal Serial Bus) transfer rates of up to 5 Gbps, delivering 10x faster data transfer compared to USB (Universal Serial Bus) 2.0. Gigabyte AMD 900 series motherboard offers native 6-port of high speed data storage devices support with data transfer speeds of up to 6 Gbps with RAID 0, 1, 5, 10. The AMD 900 series motherboard features a unique hardware design with lower resistance fuses for ensuring lower voltage drops & providing more stable & plentiful power delivery. All USB (Universal Serial Bus) ports also benefit from a 3x power boost for better power delivery to power hungry USB (Universal Serial Bus) devices. CPU AM3+ Socket: Support for AMD AM3+ FX processors Support for AMD AM3 Phenom™ II processors / AMD Athlon™ II processors (Please refer "CPU Support List" 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" for more information.) Audio Realtek ALC889 codec High Definition Audio 2/4/5.1/7.1-channel Support for S/PDIF Out LAN 1 x Realtek RTL8111E chip (10/100/1000 Mbit) Expansion Slots 1 x PCI Express x 16 slot, running at x 16 (PCIEX16) (Note 3) 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 the PCI Express 2.0 standard.) 2 x PCI slots Multi-Graphics Technology Support for AMD Cross Fire X™ technology (PCIEX16 & PCIEX4) 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, RAID5, RAID 10 & JBOD USB (Universal Serial Bus) South Bridge: Up to 14 USB (Universal Serial Bus) 2.0/1.1 ports (8 ports on the back panel, 6 ports available through the internal USB (Universal Serial Bus) headers) 1 x Etron EJ168 chips: Up to 2 USB (Universal Serial Bus) 3.0/2.0 ports on the back panel Internal I/O Connectors 1 x 24-pin ATX main power connector 1 x 8-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 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 clearing CMOS jumper Back Panel Connectors 1 x PS/2 keyboard/mouse port 1 x optical S/PDIF Out connector 8 x USB (Universal Serial Bus) 2.0/1.1 ports 2 x USB (Universal Serial Bus) 3.0/2.0 ports 1 x RJ-45 port 6 x audio jacks (Center/ Subwoofer Speaker Out/ Rear Speaker Out/ Side Speaker Out/ Line In/ Line Out/ Microphone) I/O Controller ITE IT8720 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 Dual BIOS™ Pn P 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b Unique Features Support for @BIOS Support for Q-Flash Support for Xpress BIOS Rescue Support for Download Center Support for Xpress Install Support for Xpress Recovery 2 Support for Easy Tune (Note 5) Support for Easy Energy Saver Support for Smart Recovery Support for Auto Green Support for ON/OFF Charge Support for Cloud OC Support for 3TB+ Unlock Support for Q-Share Bundle Software Norton Internet Security (OEM version) Operating System Support for Microsoft Windows 7/ Vista/ XP Form Factor ATX Form Factor; 30.5cm x 22.4cm