CPU Intel Socket 1155 for Intel 2nd Generation Core i7 Processor/Core i5 Processor/Core i3 Processor/ Support Intel 32nm CPU Supports Intel Turbo Boost Technology 2.0 Chipset Intel H67 Express Chipset Memory 4 x DIMM, Max. 32 GB, DDR3 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] (at x16 mode) 1 x PCIe 2.0 x16 [Black] (at x4 mode, compatible with PCIe x1, x2 and x4 devices) 1 x PCIe 2.0 x1 1 x PCI VGA Multi-VGA output support: DisplayPort, HDMI, DVI-D, RGB port Supports DisplayPort with max. resolution 2560x1600@60Hz Supports HDMI with max. resolution 1920 x 1200@60Hz Supports DVI with max. resolution 1920 x 1200@60Hz Supports RGB with max. resolution 2048 x 1536@75Hz Maximum shared memory of 1748 MB Multi-GPU Support Supports ATI Quad-GPU CrossFireX Technology Storage Intel H67 Express Chipset 2 xSATA 6.0 Gb/s ports (gray) 4 xSATA 3.0 Gb/s ports (blue) Intel Rapid Storage Technology Support RAID 0,1,5,10 Marvell 88SE6111 1 xUltraDMA 133/100/66 for up to 2 PATA devices 1 xExternal SATA 3Gb/s port (Power eSATA on-the-go) LAN Realtek 8111E Gigabit LAN controller Audio Realtek ALC892 8-Channel High Definition Audio CODEC - BD Audio Layer Content Protection - Supports Jack-Detection, Multi-streaming and Front Panel Jack-Retasking - Optical S/PDIF out port at back I/O IEEE 1394 VIA 6315N controller supports 2 x 1394a port(s) (one at mid-board; one at back panel) USB ASMedia USB 3.0 controller - 2 x USB 3.0/2.0 ports at back panel (blue) Intel H67 Express Chipset - 12 x USB 2.0/1.1 ports (8 ports at mid-board, 4 ports at back panel) ASUS Unique Features ASUS TurboV EVO - GPU Boost with switch - Auto Tuning - TurboV ASUS Power Design - 8+2 Phase Power Design ASUS EPU - EPU, EPU switch ASUS Exclusive Features - MemOK! - AI Suite II - AI Charger+ - Anti Surge - ASUS EFI BIOS EZ Mode featuring friendly graphics user interface ASUS Quiet Thermal Solution - ASUS Fanless Design: Heat-sink solution - ASUS Fan Xpert ASUS EZ DIY - ASUS Q-Connector - ASUS CrashFree BIOS 3 - ASUS EZ Flash 2 ASUS Q-Design - ASUS Q-Slot - ASUS Q-DIMM Overclocking Features Precision Tweaker 2 - vCore: Adjustable CPU voltage at 254-step - iGPU: Adjustable iGPU voltage at 254-step - vCCIO: Adjustable I/O voltage at 90-step - vDRAM Bus: Adjustable Memory voltage at 100-step - vPCH: Adjustable Chipset voltage at 65-step - vCPU_PLL: Adjustable CPU & PCH PLL voltage at 100-step SFS (Stepless Frequency Selection) - BCLK/PEG frequency tuning from 80MHz up to 300MHz at 0.1MHz increment Overclocking Protection - ASUS C.P.R.(CPU Parameter Recall) Back Panel I/O Ports 1 x PS/2 Keyboard/Mouse Combo port 1 x DVI 1 x D-Sub 1 x DisplayPort 1 x HDMI 1 x Power eSATA 1 x IEEE 1394a 1 x LAN(RJ45) port(s) 2 x USB 3.0/2.0 ports (blue) 4 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 ports 1 x MemOK! Button 1 x GPU Boost switch 1 x IDE connector 1 x TPM connector 2 x SATA 6.0Gb/s connectors (gray) 4 x SATA 3.0Gb/s connectors (blue) 1 x IEEE 1394a connector 1 x CPU Fan connector(s) 1 x Chassis Fan connector(s) 1 x Power Fan connector(s) 1 x EPU switch 1 x S/PDIF Out connector 24-pin ATX Power connector 8-pin ATX 12V Power connector 1 x COM port connector Front panel audio connector System Panel (Q-Connector) 1 x Clear CMOS jumper BIOS 32 Mb Flash ROM , EFI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.5, 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 User's manual 1 x I/O Shield 1 x UltraDMA 133/100/66 cable 2 x SATA 3.0Gb/s cables 2 x SATA 6.0Gb/s cables 2 in 1 Q-connector 1 x 2-port USB and eSATA module Support Disc Drivers Anti-virus software (OEM version) ASUS Update ASUS Utilities Ai Charger+ Form Factor uATX Form Factor 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 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.