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 5200 MT/s Chipset North Bridge: AMD 990FX 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 2 x PCI Express x 16 slots, running at x 16 (PCIEX16_1, PCIEX16_2) (Note 3) 2 x PCI Express x 16 slots, running at x 4 (PCIEX4_1, PCIEX4_2) 2 x PCI Express x 1 slots (All PCI Express slots conform to the PCI Express 2.0 standard.) 1 x PCI slot Multi-Graphics Technology Support for 2-Way AMD Cross Fire X™ & NVIDIA SLI™ technology (PCIEX16_1, PCIEX16_2) Storage Interface South Bridge: 6 x SATA 6 Gb/s connectors supporting up to 6 SATA 6 Gb/s devices Support for SATA 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) 2 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 24.4cm