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 2600(O.C.)/2400(O.C.)/2200(O.C.)/2133(O.C.)/2000(O.C.)/1866(O.C.)/1800(O.C.)/1600/1333 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/DVI/RGB/Thunderbolt ports
- Supports HDMI with max. resolution 1920 x 1200 @ 60 Hz
- Supports DVI with max. resolution 1920 x 1200 @ 60 Hz
- Supports RGB with max. resolution 2048 x 1536 @ 75 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 Quad-GPU SLI Technology *1
Supports AMD Quad-GPU CrossFireX Technology
Supports AMD 3-Way CrossFireX Technology
Supports LucidLogix Virtu MVP Technology *2

Expansion Slots   
3 x PCIe 3.0/2.0 x16 *3
2 x PCIe 2.0 x16 *4
2 x PCIe 2.0 x1
Storage    Intel Z77 chipset : *5
2 x SATA 6Gb/s port(s), gray
4 x SATA 3Gb/s port(s), blue
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
2 x SATA 6Gb/s port(s), navy blue

LAN
Intel 82579V, 1 x Gigabit LAN Controller(s)
Intel LAN- Dual interconnect between the Integrated LAN controller and Physical Layer (PHY)
Wireless Data Network    Wi-Fi 802.11 b/g/n
Supports single band frequency 2.4GHz

Audio
Realtek ALC892 8-Channel High Definition Audio CODEC
Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking

Audio Feature :
- Absolute Pitch 192kHz/ 24-bit True BD Lossless Sound
- DTS Ultra PC II
- DTS Connect
- Optical S/PDIF out port(s) at back panel

USB Ports
ASMedia USB 3.0 controller : *7
2 x USB 3.0 port(s) (2 at back panel, blue)
Intel Z77 chipset : *8
4 x USB 3.0 port(s) (2 at back panel, blue, 2 at mid-board)
Intel Z77 chipset :
10 x USB 2.0 port(s) (10 at mid-board)

Overclocking Features
Overclocking Protection :
- ASUS C.P.R.(CPU Parameter Recall)

Special Features
ASUS Dual Intelligent Processors 3 - SMART DIGI+ Power Control :

SMART DIGI+ :
- Smart DIGI+ Key- quickly delivers higher VRM frequency, voltage and current for superior CPU/iGPU/DRAM overclocking performance with one switch.
- Smart CPU Power Level (Intel VRD 12.5 Future Power Design)- provides the best digital power saving conditions.

ASUS TPU :
- Auto Tuning
- TurboV
- GPU Boost
- TPU switch

ASUS EPU :
- EPU
- EPU switch

ASUS Digital Power Design :
- Industry leading Digital 12 Phase Power Design
(8 -phase for CPU, 4 -phase for iGPU)
- Industry leading Digital 2 Phase DRAM Power Design
- CPU Power Utility
- DRAM Power Utility

ASUS Wi-Fi GO!
- Wi-Fi GO! Function: DLNA Media Hub, Smart Motion Control, Remote Desktop, Remote Keyboard & Mouse, File Transfer, Capture & Send
- Wi-Fi GO! Remote for portable Smartphone/Tablet, supporting iOS & Android systems
- Wi-Fi Engine for network sharing and connection: Client Mode, AP Mode

ASUS Exclusive Features :
- USB BIOS Flashback
- MemOK!
- AI Suite II
- Ai Charger+
- USB Charger+
- Anti-Surge
- ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface
- Network iControl
- USB 3.0 Boost
- Disk Unlocker

ASUS Quiet Thermal Solution :
- Stylish Fanless Design Heat-sink solution
- ASUS Fan Xpert 2

ASUS EZ DIY :
- ASUS O.C. Tuner
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 2

ASUS Q-Design :
- ASUS Q-Shield
- 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 DVI-D
1 x D-Sub
1 x Thunderbolt port(s) *9
1 x HDMI
1 x LAN (RJ45) port(s)
4 x USB 3.0
1 x Optical S/PDIF out
6 x Audio jack(s)
1 x WLAN connector(s) for ASUS wireless module

Internal I/O Ports
1 x USB 3.0 connector(s) support(s) additional 2 USB 3.0 port(s) (19-pin)
5 x USB 2.0 connector(s) support(s) additional 10 USB 2.0 port(s)
1 x TPM connector(s)
1 x COM port(s) connector(s)
4 x SATA 6Gb/s connector(s)
4 x SATA 3Gb/s connector(s)
1 x CPU Fan connector(s) (4 -pin)
1 x CPU OPT Fan connector(s) (4 -pin)
3 x Chassis 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 Front panel audio connector(s) (AAFP)
1 x System panel(s) (Q-Connector)
1 x MemOK! button(s)
1 x TPU switch(es)
1 x EPU switch(es)
1 x CPU/DRAM overvoltage jumper(s)
1 x Clear CMOS jumper(s)
1 x USB BIOS Flashback button(s)

Accessories
User's manual
ASUS Q-Shield
2 x SATA 3Gb/s cable(s)
2 x SATA 6Gb/s cable(s)
1 x SLI bridge(s)
1 x Q-connector(s) (2 in 1)
1 x 2-port USB 2.0 and eSATA module(s)
1 x ASUS Wi-Fi GO! card(s)
1 x Wi-Fi Ring Moving Antenna(s)

BIOS
64 Mb Flash ROM, UEFI 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, F12 PrintScreen, F3 Shortcut Function and ASUS DRAM SPD (Serial Presence Detect) memory information

Manageability
WfM 2.0, DMI 2.0, WOL by PME, PXE
Support Disc    Drivers
ASUS Utilities
ASUS Update
Anti-virus software (OEM version)

Form Factor
ATX Form Factor
12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

Note
*1: With 2 PCIex16 graphics cards
*2: LucidLogix Virtu MVP supports Windows 7 operating systems.
*3: PCIe 3.0 speed is supported by Intel 3rd generation Core processors. Install the Ivy Bridge CPU before installing a device on the PCIeX16_3 slot.
*4: The PCIe x1_2 slot shares bandwidth with SATA6G_E12. SATA6G_E12 is enabled by default for system resource optimization.
*5: Supports on Intel Core processor family with Windows 7 operating systems.
*6: These SATA ports are for data hard drivers only. ATAPI devices are not supported.
*7: Supports ASUS USB 3.0 Boost UASP Mode.
*8: Supports ASUS USB 3.0 Boost Turbo Mode.
*9: Thunderbolt port shares bandwidth with SATA6G_E12, USB3_E12 and PCIeX1_2. The Thunderbolt port default runs at X2(Auto) mode, SATA6G_E12 and USB3_E12 are enabled for system resource optimization. Go to Advanced> Onboard Devices Configuration> Thunderbolt bandwidth in BIOS to configure the bandwidth to [X4] for full speed support.

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Note: Try to set a system restore point before installing a device driver. It will help you restore system if installed driver not complete.