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, DDR3 1866/1800/1600/1333/1066 Non-ECC,Un-buffered Memory Dual Channel memory architecture Supports Intel Extreme Memory Profile (XMP) Expansion Slots 2 x PCIe 2.0 x16 (single at x16 or dual at x8/x8 mode) 3 x PCIe 2.0 x1 1 x PCI Multi-GPU Support Supports NVIDIA Quad-GPU SLI Technology Supports ATI Quad-GPU CrossFireX Technology Storage Intel P67 Express Chipset 2 xSATA 6.0 Gb/s ports (brown) 4 xSATA 3Gb/s ports (black) Intel Rapid Storage Technology Support RAID 0,1,5,10 Marvell PCIe SATA 6Gb/s controller 2 xSATA 6Gb/s ports (gray) JMicron JMB362 SATA controller 1 xPower eSATA 3Gb/s port (green) 1 xExternal SATA 3Gb/s port (red) LAN Intel 82579 Gigabit LAN- Dual interconnect between the Integrated LAN controller and Physical Layer (PHY) Audio Realtek ALC892 8-Channel High Definition Audio CODEC - Absolute Pitch 192khz/24bit True BD Lossless Sound - 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 VT6308P controller supports 2 x 1394a port(s) (one at mid-board; one at back panel) USB NEC USB 3.0 controllers - 4 x USB 3.0/2.0 ports (2 ports at mid-board for front panel support; 2 ports at back panel [blue]) Intel P67 Express Chipset - 14 x USB 2.0/1.1 ports (6 ports at mid-board, 8 ports at back panel) ASUS Unique Features Exclusive TUF Features "Ultimate COOL!" Thermal Solution - TUF Thermal Armor - TUF Thermal Radar "TUF ENGINE!" Power Design - 8+2 Digital Phase Power Design - TUF Components (Alloy choke, Cap. & MOSFET; certified by military-standard) - ASUS DIGI+ VRM Utility - E.S.P. : Efficient Switching Power Design "Safe & Stable!" Guardian Angel - ESD Guards - MemOK! - Anti Surge Other Special Features - Front Panel USB 3.0 Support - ASUS EFI BIOS EZ Mode featuring friendly graphics user interface - AI Suite II - ASUS Q-Connector - ASUS Q-Shield - ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED) - ASUS Q-Slot - ASUS Q-DIMM - ASUS O.C. Profile - ASUS CrashFree BIOS 3 - ASUS EZ Flash 2 - ASUS MyLogo 2 - Multi-language BIOS Back Panel I/O Ports 1 x PS/2 Keyboard/Mouse Combo port 1 x External SATA 3Gb/s port (red) 1 x Power eSATA 3Gb/s port (green) 1 x IEEE 1394a 1 x LAN(RJ45) port(s) 2 x USB 3.0/2.0 ports (blue) 8 x USB 2.0/1.1 ports 1 x S/PDIF Out (Optical) 8 -Channel Audio I/O Internal I/O Connectors 1 x USB 3.0/2.0 connector(s) supports additional 2 USB ports (19-pin; moss green) 3 x USB 2.0/1.1 connector(s) support additional 6 USB ports 1 x MemOK! button 4 x SATA 6.0Gb/s connectors ( 2 x gray; 2 x brown) 4 x SATA 3.0Gb/s (black) 1 x IEEE 1394a connector 1 x CPU Fan connector(s) (4-pin) 2 x Chassis Fan connector(s) (1 x 4-pin; 1 x 3-pin) 1 x Power Fan connector(s) (3-pin) 1 x Assistant Fan connector (3-pin) 1 x S/PDIF Out connector 24-pin EATX Power connector 8-pin EATX 12V Power connector 1 x Front panel audio connector 1 x COM connector 1 x System Panel (Q-Connector) 1 x Clear CMOS jumper BIOS 32 Mb Flash ROM , EFI AMI 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 2 x SATA 3.0Gb/s cables 2 x SATA 6.0Gb/s cables 1 x Q-Shield 1 x Q-Connecor (2 in 1) 1 x ASUS SLI bridge cable 1 x TUF Certification card 1 x TUF 5 Year Warranty manual (by region) 4 x screws for Assistant Fan Support Disc Drivers Anti-virus software (OEM version) ASUS Update ASUS Utilities Form Factor ATX Form Factor 12 inch x 9.6 inch ( 30.5 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.