CPU
Intel Socket 1156 Core i7 Processor/Core i5 Processor
Supports Intel Turbo Boost Technology

Chipset
Intel P55 Express Chipset

Memory
4 x DIMM, Max. 16 GB, DDR3 2200(O.C.)*/1600/1333/1066 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. Some hyper DIMMs only support one DIMM per channel.

Expansion Slots
1 x PCIe 2.0 x16 (single at x16)
1 x PCI Express 2.0 x16 slot (at x4 mode, 2.5GT/s)
2 x PCI Express 2.0 x1 slots (2.5GT/s)
3 x PCI

Multi-GPU Support
Supports ATI Quad-GPU CrossFireX Technology

Storage
Intel P55 Express Chipset built-in
6 xSATA 3.0 Gb/s ports
Intel Matrix Storage Technology Support RAID 0,1,5,10
VIA VT6415 PATA controller
- 1 x UltraDMA 133/100/66 for up to 2 PATA devices

LAN
Realtek 8112L Gigabit LAN controller featuring AI NET 2

Audio
VIA VT1708S 8-Channel High Definition Audio CODEC
 - Optical S/PDIF out port at back I/O
 - Supports Jack-Detection, Multi-streaming
 - ASUS Noise Filter

USB
14 USB 2.0/1.1 ports (6 ports at mid-board, 8 ports at back panel)

ASUS Unique Features
ASUS Exclusive Overclocking Features
- ASUS TurboV, ASUS Turbo Key
ASUS Exclusive Features
- Express Gate
- MemOK!
- ASUS EPU

ASUS Quiet Thermal Solution
- ASUS Fanless Design: Stylish Heatsink Solution
- ASUS Fan Xpert

ASUS EZ DIY
- ASUS Q-DIMM
- ASUS O.C. Profile
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 2
- ASUS MyLogo 2
- Multi-language BIOS

Overclocking Features
Precision Tweaker
- vCore: Adjustable CPU voltage at 0.00625V increment
- vIMC: Adjustable IMC voltage at 0.05V increment
- vDRAM Bus: 11-step DRAM voltage control
- vPCH: 2-step chipset voltage control
- vCPU PLL: 4-step reference voltage control

SFS (Stepless Frequency Selection)
- PCI Express frequency tuning from 100MHz up to 150MHz at 1MHz increment
- Internal Base Clock tuning from 80MHz up to 500MHz at 1MHz increment

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

Back Panel I/O Ports
1 x PS/2 Keyboard (Purple)
1 x PS/2 mouse (Green)
1 x Optical S/PDIF Output
1 x RJ45 port
8 x USB 2.0/1.1
8-channel Audio I/O

Internal I/O Connectors
3 x USB connectors support additional 6 USB ports
1 x IDE connector
6 x SATA connectors
1 x CPU Fan connector
1 x Power Fan connector
1 x Chassis Fan connectors (1x4-pin, 1x3-pin)
1 x Front panel audio connector
1 x S/PDIF Out header
1 x CD audio in
1 x 24-pin ATX Power connector
1 x 4-pin ATX 12V Power connector
1 x System Panel
1 x MemOK! Button
1 x COM connector

BIOS
16 Mb Flash ROM , 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
1 x UltraDMA 133/100/66 cable
2 x SATA cable(s)
I/O Shield

Support Disc
Drivers
Anti-virus software (OEM version)
ASUS Update
ASUS Utilities

Form Factor
ATX Form Factor
12 inch x 8.6 inch ( 30.5 cm x 21.8 cm )

It is highly recommended to always use the most recent driver version available.

Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games.

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.