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 P67 Express Chipset Memory 4 x DIMM, Max. 32 GB, DDR 2200(O.C.)/2133(O.C.)/1866(O.C.)/1600/1333 Non-ECC,Un-buffered Memory Dual Channel memory architecture Expansion Slots 4 x PCIe 2.0 x16 (single @x16, dual @x8, triple @x8, x16, x16 ) 1 x PCIe 2.0 x4 1 x PCIe 2.0 x1 Multi-GPU Support Support NVIDIA 3-Way SLI / ATI CrossFireX Technology Bluetooth Bluetooth Module Accessory Card - Bluetooth V2.0/V2.1+EDR - RC Bluetooth On/Off Switch Storage Intel P67 Express Chipset 2 xSATA 6.0 Gb/s ports (Red) 4 xSATA 3Gb/s ports (Gray) Intel Rapid Storage Technology Support RAID 0,1,5,10 Marvell 9182 PCIe SATA6Gb/s controller 2 xSATA 6Gb/s ports (Red) JMicron 362 controller 2 xExternal SATA 3Gb/s ports at rear (SATA On-the-Go) LAN 2 x Intel Gigabit LAN Audio Realtek ALC889 8-Channel High Definition Audio CODEC - Blu-ray audio layer Content Protection - Supports Jack-Detection, Multi-streaming, Front Panel Jack-Retasking - Supports 1 x Optical S/PDIF out port at back I/O USB Intel P67 Express Chipset - 9 x USB 2.0/1.1 ports (8 ports at mid-board, 1 port at rear is also for ROG connect) 1 x NEC USB3.0 Controller - 2 x USB 3.0/2.0 ports at rear 1 x NEC USB3.0 Controller with 2 x VIA SuperSpeed USB hub controllers: 6 x USB 3.0/2.0 ports at rear 2 x USB 3.0/2.0 ports at mid-board for front panel support Overclocking Features ROG Connect RC Bluetooth ROG iDirect USB BIOS Flashback ROG Extreme Engine Digi+ - 8-phase CPU power - 3-phase Memory power - ML Cap on CPU only BIOS Flashback with onboard switch button ProbeIt Extreme Tweaker iROG Loadline Calibration ROG OC Kit - LN2 Mode - PCIe x16 Lane Switch - Debug LED - Q_Reset EFI BIOS features - ROG BIOS Print - GPU.DIMM Post - CPU Socket Monitor Intelligent overclocking tools: - ASUS TurboV Evo - O.C Profile Overclocking Protection: - COP EX (Component Overheat Protection - EX) - Voltiminder LED - ASUS C.P.R.(CPU Parameter Recall) Special Features CPU Level Up MemOK! Onboard Switches: Power / Reset / Clr CMOS (at rear) Q-Fan Plus ASUS Fan Xpert ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED) ASUS Q-Connector ASUS Q-Shield ASUS Q-Slot ASUS Q-DIMM ASUS EZ Flash 2 ASUS CrashFree BIOS 3 ASUS MyLogo 2 Back Panel I/O Ports 1 x PS/2 Keyboard/Mouse Combo port 2 x External SATA 2 x LAN(RJ45) port(s) 8 x USB 3.0/2.0 1 x USB 2.0/1.1 (also for ROG Connect) 1 x S/PDIF Out (Optical) 8 -Channel Audio I/O 1 x Clr CMOS switch 1 x ROG Connect On/Off switch 1 x RC Bluetooth switch Internal I/O Connectors 1 x USB 3.0/2.0 connector(s) (Red) supports additional 2 USB 3.0 ports 4 x USB 2.0/1.1 connector(s) support additional 8 USB 2.0 ports 4 x SATA 6.0Gb/s connectors (Red) 4 x SATA 3.0Gb/s connectors (Gray) 1 x CPU Fan connector(s) 3 x Chassis Fan connector(s) 1 x Power Fan connector(s) 3 x Optional Fan connector 1 x Power-on switch 1 x Reset 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 System Panel connector 7 x ProbeIt measurement points 3 x Thermal sensor connectors 1 x En/Dis-able Clr CMOS header 2 x EZ Plug connectors (4-pin Molex Power connectors) 1 x RC Bluetooth header 1 x LN2 Mode switch 1 x Q_Reset switch 1 x Go Button 1 x BIOS switch button 1 x ROG light connector Bios 32 Mb Flash ROM , EFI AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.5, ACPI2.0a Multi-Language BIOS Manageability WfM 2.0,DMI 2.0,WOL by PME,WOR by PME,PXE Accessories User's manual 1 2-port USB2.0 module 1 x I/O Shield 2 x SATA 3.0Gb/s signal cables (2-in-1) 2 x SATA 6.0Gb/s signal cables (2-in-1) 1 x Q-Connecor Kit (2-in-1) 1 x ROG Connect Cable 1 x ProbeIt cable set 1 x Thermal Sensor Cable Pack 1 x 3-Way SLI bridge 1 x SLI Cable 1 x Crossfire cable 1 x Cable Ties Pack 1 x ROG Theme Label 1 x 12-in-1 ROG Cable Label 1 x RC Bluetooth card 1 x ROG exclusive feature guide Support Disc Drivers ASUS AI Suite II ROG CPU-Z 3DMark Vantage Kaspersky Anti-Virus 1-year license Form Factor Extended ATX Form Factor 12 inch x 10.6 inch ( 30.5 cm x 26.9 cm ) Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.