CPU Intel Socket 1155 for Intel 2nd Generation Core i7 Processor/Core i5 Processor/Core i3 Processor/ Support Intel 32nm CPU Chipset Intel H67 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] (single at x16 mode) 1 x PCIe 2.0 x16 *[black] (at x4 mode, compatible with PCIe x1 and x4 devices) 2 x PCIe 2.0 x1 3 x PCI VGA Multi-VGA output support: HDMI, DVI-D, RGB - Supports RGB with max. resolution 2048 x 1536@75Hz - Supports DVI with max. resolution up to 1920 X1200 @ 60 HZ - Supports HDMI with max. resolution up to 1920 X1200 @ 60 HZ Maximum shared memory of 1748 MB Multi-GPU Support Supports ATI Quad-GPU CrossFireX Technology Storage Intel H67 Express Chipset 4 x SATA 3.0 Gb/s ports (blue) 2 x SATA 6.0 Gb/s ports (gray) Intel Rapid Storage Technology Support RAID 0,1,5,10 VIA VT6415 PATA controller 1 x UltraDMA 133/100 for up to 2 PATA devices LAN PCIE Gigabit LAN Audio ALC887 8-Channel High Definition Audio CODEC USB ASMedia USB 3.0 controller - 2 x USB 3.0/2.0 ports (blue) at back panel 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 - Turbo V - Auto Tuning - Anti-Surge Protction - GPU Boost - Mem OK! - ASUS Fan Xpert - AI Suite II - EPU - CrashFree BIOS 3 - EZ Flash 2 - MyLogo 2 Back Panel I/O Ports 1 x PS/2 Keyboard/Mouse Combo port 1 x DVI 1 x VGA 1 x HDMI 1 x LAN(RJ45) port(s) 2 x USB 3.0/2.0 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! switch 1 x GPU Boost switch 1 x IDE connector 2 x SATA 6.0Gb/s connectors 4 x SATA 3.0Gb/s connectors 1 x CPU Fan connector(s) 2 x Chassis Fan connector(s) 1 x Power Fan connector(s) 1 x S/PDIF Out connector 1 x 24-pin ATX Power Power connector 1 x 8-pin EATX 12V Power connector 1 x Front panel audio connector 1 x COM connector 1 x System Panel connector BIOS 32 Mb Flash ROM , EFI BIOS, PnP, DMI v2.0, WfM2.0,SMBIOS v2.6, ACPI v2 0a, Multi-language BIOS Accessories User's manual 1 x UltraDMA 133/100/66 cable 2 x SATA 6.0Gb/s cables I/O Shield Support Disc Drivers Anti-virus software (OEM version) ASUS Update ASUS Utilities Form Factor ATX Form Factor 12 inch x 9 inch ( 30.5 cm x 22.9 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.