CPU Intel Socket 1155 for 3rd/2nd Generation Core i7/Core i5/Core i3/Pentium/Celeron Processors Supports Intel 22 nm CPU Supports Intel 32 nm CPU Supports Intel Turbo Boost Technology 2.0 * The Intel Turbo Boost Technology 2.0 support depends on the CPU types. Chipset Intel Z77 Memory 4 x DIMM, Max. 32GB, DDR3 2800(O.C.)/2666(O.C.)/2600(O.C.)/2400(O.C.)/2200(O.C.)/2133(O.C.)/2000(O.C.)/1866(O.C.)/1600/1333/1066 MHz Non-ECC, Un-buffered Memory Dual Channel Memory Architecture Supports Intel Extreme Memory Profile (XMP) * Hyper DIMM support is subject to the physical characteristics of individual CPUs. Thunderbolt VGA output support Data transfer rate up to 10 Gbps Daisy-chain up to 6 Thunderbolt devices Graphic Integrated Graphics Processor Multi-VGA output support : HDMI/DisplayPort/Thunderbolt ports - Supports HDMI with max. resolution 1920 x 1200 @ 60 Hz - Supports DisplayPort with max. resolution 2560 x 1600 @ 60 Hz - Supports Thunderbolt with max. resolution 2560 x 1600 @ 60 Hz Supports Intel HD Graphics, InTru 3D, Quick Sync Video, Clear Video HD Technology, Insider Multi-GPU Support Supports NVIDIA 4-Way SLI Technology Supports AMD CrossFireX Technology Supports LucidLogix Virtu MVP Technology *1 Expansion Slots 5 x PCIe 3.0/2.0 x16 (x16 or dual x8 or x8/x16/x8 or x8/x16/x8/x8) *2 1 x PCIe 2.0 x4 1 x mini-PCIe 2.0 x1 *3 Storage Intel Z77 chipset : *4 2 x SATA 6Gb/s port(s), red 3 x SATA 3Gb/s port(s), black 1 x mini-SATA 3Gb/s port(s) , black Support Raid 0, 1, 5, 10 Supports Intel Smart Response Technology, Intel Rapid Start Technology, Intel Smart Connect Technology *5 ASMedia PCIe SATA controller : *6 4 x SATA 6Gb/s port(s), red LAN Intel, 1 x Gigabit LAN Controller(s) Wireless Data Network Wi-Fi 802.11 a/b/g/n Supports dual band frequency 2.4/5 GHz Bluetooth Bluetooth V4.0 Bluetooth V3.0+HS Audio Realtek ALC898 7.1-Channel High Definition Audio CODEC - Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking Audio Feature : - Blu-ray audio layer Content Protection - Optical S/PDIF out port(s) at back panel - Optical S/PDIF in port(s) at back panel USB Ports Intel Z77 chipset : 4 x USB 3.0 port(s) (2 at back panel, blue, 2 at mid-board) Intel Z77 chipset : 8 x USB 2.0 port(s) (4 at back panel, black+white, 4 at mid-board) ASMedia USB 3.0 controller : 4 x USB 3.0 port(s) (2 at back panel, blue, 2 at mid-board) Overclocking Features mPCIe Combo (mPCIe/mSATA combo card) ROG OC Key - OSD TweakIt - OSD Monitor ROG Connect : - RC Diagram - RC Remote - RC Poster - GPU TweakIt Extreme Engine Digi+ II : - 8 -phase CPU power design + 4 -phase iGPU power design - 2 -phase Memory power design ROG Extreme OC kit : - Subzero Sense - VGA Hotwire - Slow Mode - LN2 Mode - PCIe x16 Lane Switch - EZ Plug ProbeIt UEFI BIOS features : - ROG BIOS Print - GPU.DIMM Post iROG Extreme Tweaker Loadline Calibration USB BIOS Flashback Overclocking Protection : - ASUS C.P.R.(CPU Parameter Recall) Special Features ASUS TurboV EVO : - TurboV ASUS EPU : - EPU ASUS Wi-Fi GO! - Wi-Fi GO! Function: DLNA Media Hub, Smart Motion Control, Remote Desktop, Remote Keyboard & Mouse, File Transfer, Capture & Send ASUS Exclusive Features : - AI Suite II - Ai Charger+ - USB Charger+ - USB 3.0 Boost - Disk Unlocker ASUS Quiet Thermal Solution : - ASUS Fan Xpert 2 ASUS EZ DIY : - ASUS O.C. Profile - ASUS CrashFree BIOS 3 - ASUS EZ Flash 2 ASUS Q-Design : - ASUS Q-Shield - ASUS Q-Code - ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED) - ASUS Q-Slot - ASUS Q-DIMM - ASUS Q-Connector Back I/O Ports 1 x PS/2 keyboard/mouse combo port(s) 1 x Thunderbolt port(s) 1 x DisplayPort 1 x HDMI 1 x LAN (RJ45) port(s) 4 x USB 3.0 4 x USB 2.0 (one port can be switched to ROG Connect) 1 x Optical S/PDIF out 1 x Optical S/PDIF in 5 x Audio jack(s) 1 x Clear CMOS button(s) 1 x ROG Connect On/ Off switch(es) Internal I/O Ports 2 x USB 3.0 connector(s) support(s) additional 4 USB 3.0 port(s) 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s) 6 x SATA 6Gb/s connector(s) 3 x SATA 3Gb/s connector(s) 2 x CPU Fan connector(s) (4 -pin) 3 x Chassis Fan connector(s) (4 -pin) 3 x Optional Fan connector(s) (4 -pin) 1 x S/PDIF out header(s) 1 x 24-pin EATX Power connector(s) 1 x 8-pin ATX 12V Power connector(s) 1 x 4-pin ATX 12V Power connector(s) 1 x 6-pin EZ_PLUG Power connector(s) 1 x 4-pin EZ_PLUG Power connector(s) 1 x Front panel audio connector(s) (AAFP) 1 x System panel(s) 1 x OC Key header(s) 2 x Subzero Sense connector(s) 2 x VGA Hotwire(s) 1 x Slow Mode switch(es) 15 x ProbeIt Measurement Points 7 x ProbeIt cable connector(s) 3 x Thermal sensor connector(s) 1 x Power-on button(s) 1 x Reset button(s) 1 x ROG Connect switch(es) 1 x LN2 Mode switch(es) 1 x Go Button(s) 1 x BIOS Switch button(s) 1 x mPCIe Combo header(s) Accessories User's manual I/O Shield 2 x SATA 3Gb/s cable(s) 6 x SATA 6Gb/s cable(s) 1 x 3-Way SLI bridge(s) 1 x 4-Way SLI bridge(s) 1 x SLI bridge(s) 1 x CrossFire cable(s) 1 x Q-connector(s) (2 in 1) 1 x 2-port USB 2.0 and eSATA module(s) 1 x ROG Connect cable(s) 1 x ProbeIt cable set(s) 1 x 12 in 1 ROG Cable Label(s) 1 x mPCIe Combo card(s) with dual band WiFi 802.11 a/b/g/n module + Bluetooth v4.0/3.0+HS module 1 x 2-in-1 RF Cable(s) 2 x Wi-Fi Ring Moving Antenna(s) 1 x OC Key(s) 1 x OC Key cable(s) BIOS 64Mb UEFI AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.5, ACPI2.0a Multi-Language BIOS Manageability WfM2.0, DMI2.0, WOL by PME, PXE Support Disc Drivers Kaspersky Anti-Virus DAEMON Tools Pro Standard ROG CPU-Z Mem TweakIt ASUS AI Suite II ASUS WebStorage ASUS Utilities Form Factor Extended ATX Form Factor 12.0 inch x 10.7 inch ( 30.5 cm x 27.2 cm ) Note *1: LucidLogix Virtu MVP supports Windows 7 operating systems. *2-1: PCIe3.0 speed is supported by Intel 3rd genernation Core Processors. *2-2: Native x8/x8 mode is available when only PCIE_X16X/X8_1 and PCIE_X8_2B slots are in used. *3-1: The mini-PCIe slot is on mPCIe Combo expansion card. *3-2: The mini-PCIe slot is pre-installed with an Wi-Fi/Bluetooth module. *4-1: 1 SATA 3Gb/s port at mid-board is reserved for eSATA. *4-2: A 2-port USB 2.0 and eSATA module is bundled for 1 x eSATA port at rear. *4-3: The mini-SATA slot is on mPCIe Combo expansion card. *5: Supports on Intel Core processor family with Windows 7 operating systems. *6: These SATA ports are for data drives only. 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.