CPU Intel Socket 1366 Core i7 Processor Extreme Edition/Core i7 Processor/ Intel Xeon W5500/3600/3500 Series Intel Xeon X5600/5500 Series Intel Xeon E5600/5500 Series Intel Xeon L5600/5500 Series Supports Intel Dynamic Speed Technology Chipset Intel X58 / ICH10R Nvidia NF200 System Bus Up to 6400 MT/s ; Intel QuickPath Interconnect Memory 6 x DIMM, Max. 24 GB, DDR3 2000(O.C.)/1866(O.C.)/1800(O.C.)/1600(O.C.)/1333/1066 ECC,Non-ECC,Un-buffered Memory Triple channel memory architecture Support Intel Extreme Memory Profile (XMP) Expansion Slots 1 x PCIe 2.0 x16 (@ x16) 2 x PCIe 2.0 x16 (@ x16 or x8) 2 x PCIe 2.0 x16 (@ x8) 1 x PCIe x1 Multi-GPU Support Supports NVIDIA 3-Way Geforce SLI techonology Supports ATI CrossFireX technology, up to Quad CrossFireX Storage Intel ICH10R controller 6 xSATA 3.0 Gb/s ports Intel Matrix Storage Support RAID 0,1,5,10 Marvell 9128 PCIe SATA6Gb/s controller 2 xSATA 6.0 Gb/s ports, supporting RAID 0 and 1 LAN 2 x Intel 82574L GbE LAN, support teaming function Audio Realtek ALC889 8-Channel High Definition Audio CODEC Multi-Streaming Jack-Sensing Front Panel Jack-Retasking Coaxial / Optical S/PDIF out ports at back I/O ASUS Noise-Filer IEEE 1394 VIA VT6315N supports 2 x 1394a port(s) USB USB 3.0 controller - 2 x USB 3.0/2.0 ports (Blue, at back panel) Intel X58 Chipset - 12 x USB 2.0/1.1 ports (6 ports at mid-board, 6 ports at back panel) ASUS Unique Features EPU - 6 Engine True 16+2 Phase Power Design Turbo V Fan Xpert Q-Shield Q-Connector Fanless Design: Heat-pipe solution My Logo 2 CrashFree BIOS 3 EZ Flash 2 C.P.R.(CPU Parameter Recall) SFS (Stepless Frequency Selection) O.C. Profile ASUS Workstation Special Features 5 PCIe x 16 slots G.P. Diagnosis Card bundled ASUS SASsaby Cards support (PCIEx16_5 slot only) ASUS WS Diag. LED Back Panel I/O Ports 1 x PS/2 Keyboard/Mouse Combo port 1 x IEEE 1394a 2 x LAN(RJ45) port(s) 2 x USB 3.0/2.0 6 x USB 2.0/1.1 1 x S/PDIF Out (Coaxial + Optical) 8 -Channel Audio I/O Internal I/O Connectors 3 x USB 2.0/1.1 connector(s) support additional 6 USB ports 1 x TPM connector 1 x Power Fan connector(s) 1 x S/PDIF Out connector 24-pin ATX Power connector 8-pin ATX +12V Power connector 1 x System Panel (20-pin) Chassis Intrusion connector CPU fan with PWM control Chassis fan1 with Q-fan control Chassis fan2 with Q-fan control Chassis fan3 with Q-fan control AAFP Front panel connector BIOS 16 Mb Flash ROM AMI BIOS, Green, PnP, DMI v2.0, Wfm2.0, ACPI v2.0a, SMBIOS v 2.5 Manageability WOL/WOR by PME, WOR by Ring, Chassis Intrusion Support Disc ASUS PC Probe II Anti-virus software (OEM version) ASUS Update BIOS flash utility under DOS AI Suite II Adobe Acrobat Reader ver 8.0 Microsoft DirectX ver 9.0C Image-Editing Suite Form Factor ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.5 cm ) Please do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games. Note: Try to set a system restore point before installing a device driver. It will help you restore system if installed driver not complete.