CPU Intel Socket 1155 for Intel 2nd Generation Core i7 Processor/Core i5 Processor/Core i3 Processor/ Support Intel 32nm CPU Support Enhanced Intel SpeedStep Technology (EIST) Supports Intel Turbo Boost Technology 2.0 Chipset Intel P67 Express Chipset Memory 4 x DIMM, Max. 32 GB, DDR3 2200(O.C.)/2133(O.C.)/1866(O.C.)/1600(O.C.)/1333/1066 Non-ECC,Un-buffered Memory Dual Channel memory architecture Supports Intel Extreme Memory Profile (XMP) Expansion Slots 1 x PCIe 2.0 x16 (blue, single at x16 mode) 1 x PCIe 2.0 x16 (black, at x4 mode, compatible with PCI Express x1 and x4 devices) 2 x PCIe 2.0 x1 3 x PCI Multi-GPU Support Supports ATI Quad-GPU CrossFireX technology Storage Intel P67 Express Chipset 4 xSATA 3.0 Gb/s ports (blue) 2 xSATA 6.0 Gb/s ports (gray) Intel Rapid Storage technology Support RAID 0,1,5,10 Marvell PCIe SATA 6Gb/s controller 1 xUltraDMA 133/100/66 connector for up to 2 PATA devices 1 xExternal SATA port at the back I/O (6.0 Gb/s ready) 1 xSATA 6.0 Gb/s port (navy blue) LAN Realtek 8111E Gigabit LAN controller Audio Realtek ALC892 8-Channel High Definition Audio CODEC - BD Audio Layer Content Protection - Supports 192khz/24bit BD Lossless Sound - Supports Jack-detection, Multi-streaming, and Front Panel Jack-Retasking - Optical S/PDIF Out port at back I/O IEEE 1394 VIA VT6308P controller supports 2 x 1394a port(s) (1 port at the mid-board, 1 port at the back panel) USB ASMedia USB3.0 controller - 2 x USB 3.0/2.0 ports (blue, at the back panel) Intel P67 Express Chipset - 14 x USB 2.0/1.1 ports (8 ports at the mid-board, 6 ports at the back panel) ASUS Unique Features ASUS Xtreme Design ASUS Hybrid Processor – TurboV EVO - TurboV, Auto Tuning ASUS Protect 3.0 Design - ASUS Anti-Surge Protection - Low EMI - ESD - EPU ASUS Hybrid Switches - MemOK! Button - TPU switch ASUS Quiet Thermal Solutions - ASUS Fanless Design: Stylish Heatsink Solution & MOS Heatsink - ASUS Fan Xpert ASUS EZ DIY: - ASUS EFI BIOS - ASUS AI Suite II - ASUS CrashFree BIOS 3 - ASUS MyLogo 2 - ASUS EZ Flash 2 Overclocking Features Precision Tweaker - vCore: Adjustable CPU voltage at 0.005V increment - vCCIO: Adjustable I/O voltage at 0.005V increment - vDRAM Bus: 190-step Memory voltage control - vPCH: 190-step Chipset voltage control SFS (Stepless Frequency Selection) - BCLK/PEG frequency tuning from 80MHz up to 300MHz at 1MHz increment Overclocking Protection - ASUS C.P.R.(CPU Parameter Recall) Special Features 100% All High-quality Conductive Polymer Capacitors Back Panel I/O Ports 1 x PS/2 Mouse (Green) 1 x PS/2 Keyboard (Purple) 1 x External SATA 1 x IEEE 1394a 1 x LAN(RJ45) port(s) 2 x USB 3.0/2.0 (blue) 6 x USB 2.0/1.1 1 x S/PDIF Out (Optical) 8 -Channel Audio I/O Internal I/O Connectors 4 x USB connectors support additional 8 USB 2.0/1.1 ports 1 x MemOK! Button 1 x IDE connector 3 x SATA 6.0Gb/s ports 4 x SATA 3.0Gb/s ports 1 x IEEE 1394a connector 1 x CPU Fan connector(s) 2 x Chassis Fan connector(s) 1 x Power Fan connector(s) 1 x TPU switch 1 x S/PDIF Out connector 1 x 24-pin ATX Power connector 1 x 8-pin ATX 12V Power connector 1 x Front panel audio connector 1 x COM connector 1 x System Panel BIOS 32 Mb Flash ROM , EFI BIOS, PnP, DMI v2.0, WfM 2.0, ACPI v2.0a, SM BIOS v2.6, Multi-language BIOS Manageability WOL by PME,WOR by PME,PXE Accessories User's manual 1 x I/O Shield 1 x UltraDMA 133/100/66 cable 2 x SATA 3.0Gb/s cables 1 x SATA 6.0Gb/s cable Support Disc Drivers Anti-virus software (OEM version) ASUS Update ASUS Utilities Form Factor ATX Form Factor 12 inch x 8.8 inch ( 30.5 cm x 22.4 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.