CPU	Intel® Socket 1366 Core™ i7 Processor Extreme Edition/Core™ i7 Processor Supports Intel® Dynamic Speed Technology
Chipset	Intel® X58 / ICH10R
System Bus	Up to 6400 MT/s
Memory	6 x DIMM, Max. 24 GB, DDR3 2000(O.C.)/1866(O.C.)/1800(O.C.)/1600(O.C.)/1333/1066 Non-ECC,Un-buffered Memory Triple channel memory architecture Supports Intel® Extreme Memory Profile (XMP) Hyper DIMM (DDR3 1800MHz or above) support is subject to the physical characteristics of individual CPUs. **Refer to www.asus.com. Or user manual for the Memory QVL (Qualified Vendor Lists.)
Expansion Slots	3 x PCIe 2.0 x16 (at x16/x16/x1 or x16/x8/x8 mode) 1 x PCIe x4 2 x PCI
Multi-GPU Support	Supports NVIDIA® 2-Way or Quad-GPU SLI™ Technology Supports ATI® CrossFireX™ Technology
Storage	Southbridge 6 xSATA 3 Gb/s ports Intel Matrix Storage Technology Support RAID Support RAID Marvell 88SE6111 1 xUltraDMA 133/100/66 for up to 2 PATA devices 1 xExternal SATA (SATA On-the-Go) *Due to the Windows XP/ Vista limitation, the RAID array with the total capacity over 2TB cannot be set as a boot disk. A RAID array over 2TB can only be set as a data disk only. For more information, please refer tohttp://support.microsoft.com/kb/946557/en-us
LAN	Dual Gigabit LAN controllers 2*Marvell88E8056® PCIe Gigabit LAN controller featuring AI NET2
Audio	ADI® AD2000B 8 -Channel High Definition Audio CODEC – Support Jack-Detection, Multi-Streaming, and Front Panel Jack-Retasking – Coaxial / Optical S/PDIF out ports at back I/O
IEEE 1394	VIA® VT6308 controller supports 1 x 1394a ports (one at mid-board; one at back panel)
USB	14 USB 2.0 ports (6 ports at mid-board, 8 ports at back panel)
ASUS Unique Features	ASUS Exclusive Features: – ASUS TurboV – ASUS True 16+2 Phase Power Design – Express Gate SSD ASUS Power Saving Solution – ASUS EPU-6 Engine – ASUS AI Nap ASUS Quiet Thermal Solution: – ASUS Fanless Design: Wind-Flow Heat-pipe solution – ASUS Fanless Design: Stack Cool 2 – ASUS Fan Xpert – ASUS Optional Fan for Water-cooling or Passive-Cooling only ASUS Crystal Sound: – ASUS Noise Filter ASUS EZ DIY: – ASUS Q-Shield – ASUS Q-Connector – ASUS O.C. Profile – ASUS CrashFree BIOS 3 – ASUS EZ Flash 2
Overclocking Features	ASUS TurboV utility Precision Tweaker2: – vCore: Adjustable CPU voltage at 0.00625V increment – vCPU PLL: 36-step reference voltage control – vDRAM Bus: 49-step DRAM voltage control – vChipset(N.B.): 31-step chipset voltage control – vNB-PCIe: 65-step chipset-PCIe voltage control SFS (Stepless Frequency Selection) – Internal Base Clock tuning from 100MHz up to 500MHz at 1MHz increment – PCI Express frequency tuning from 100MHz up to180MHz at 1MHz increment Overclocking Protection: – ASUS C.P.R.(CPU Parameter Recall)
Special Features	Multi-language BIOS ASUS MyLogo 2
Back Panel I/O Ports	1 x PS/2 Keyboard/ Mouse combo port 1 x S/PDIF Out (Coaxial + Optical) 1 x External SATA 1 x IEEE1394a 2 x RJ45 port 8 x USB 2.0/1.1 8-channel Audio I/O
Internal I/O Connectors	3 x USB connectors support additional 6 USB ports 1 x Floppy disk drive connector 1 x IDE connector 6 x SATA connectors 1 x CPU Fan connector 3 x Chassis Fan connector 1 x Power Fan connector 1 x IEEE1394a connector Front panel audio connector 1 x S/PDIF Out Header Chassis Intrusion connector CD audio in 24-pin ATX Power connector 1 x 8-pin ATX 12V Power connector System Panel(Q-Connector)
BIOS	16 Mb Flash ROM AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.3, ACPI 2.0a, Multi-language BIOS, ASUS EZ Flash 2, ASUS CrashFree BIOS 3
Manageability	WfM 2.0,DMI 2.0,WOL by PME,WOR by PME,PXE
Accessories	UltraDMA 133/100/66 cable 6 x Serial ATA cables ASUS Q-Shield User's manual 2 in 1 Q-connector 1 x 2-port USB2.0 / 1-port IEEE1394 (4-pin) module 1 x SLI bridge cable 2 x Screw pillar 1 x Optional Fan for Water-Cooling or Passive-Cooling only
Support Disc	Drivers ASUS PC Probe II Anti-virus software (OEM version) ASUS Update ASUS AI utility Image-Editing Suite
Form Factor	ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )