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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 2133(O.C.)*/2000(O.C.)/1600/1333/1066 Non-ECC,Un-buffered Memory
Dual Channel memory architecture

Expansion Slots
2 x PCIe 2.0 x16 (support single at x16 or dual at x8/x8 mode)
1 x PCIe x4
1 x PCI 2.2

Multi-GPU Support
Supports NVIDIA Quad-GPU SLI Technology / 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
JMicron JMB363 SATA controller
1 xExternal SATA 3.0 Gb/s port at rear (SATA On-the-Go)
1 xSATA 3.0 Gb/s port

LAN
Gigabit LAN controller featuring AI NET2
GameFirst

Audio
SupremeFX X-Fi built-in
- 8-channel High Definition Audio CODEC
- EAX Advanced HD 4.0
- X-Fi CMSS-3D
- X-Fi Crystalizer
- Creative ALchemy
- Blu-ray support
- Supports Optical S/PDIF out port on rear

IEEE 1394
2 x 1394a ports (1 port at back I/O, 1 port onboard)

USB
14 USB 2.0/1.1 ports (5 ports at mid-board, 9 ports at back panel)

ASUS Unique Features
MemOK!
MemPerfect
ProbeIt
Onboard Switches: Power / Reset / Clr CMOS (at rear)
ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED)
ASUS Q-Connector
ASUS Q-Slot
ASUS Q-DIMM
ASUS EPU
ASUS Fan Xpert
ASUS MyLogo3
ASUS EZ Flash 2
ASUS CrashFree BIOS 3

Overclocking Features
CPU Power Design
- 8-phase CPU power
- 2-phase VTT power
- 2-phase Memory power
ROG Connect
CPU Level Up
iROG
Extreme Tweaker
Loadline Calibration
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)

Back Panel I/O Ports
1 x External SATA
1 x S/PDIF Out (Optical)
1 x IEEE 1394a
1 x LAN(RJ45) port
9 x USB 2.0/1.1
1 x PS/2 Keyboard port (purple)
1 x Clr CMOS switch
1 x ROG Connect On/Off switch
8-channel Audio I/O with gold-plated jack

Internal I/O Connectors
3 x USB connectors supports additional 5 USB 2.0 ports (1 port reserved for ROG Connect at rear)
1 x IEEE 1394a connector
7 x SATA connectors (one is from JMicron 363 (black))
5 x Fan connectors: 1 x CPU / 2 x Chassis / 2 x Optional
1 x SPDIF out header
1 x CD audio in
1 x Front panel audio connector
2 x thermal sensor connectors
1 x 24-pin ATX Power connector
1 x 8-pin ATX 12V Power connector
1 x En/Dis-able Clr CMOS header
5 x ProbeIt measurement points
1 x Go Button
System panel connector

BIOS
16 Mb Flash ROM , AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.4, ACPI2.0a Multi-Language BIOS

Manageability
WOL by PME,WOR by PME,PXE

Accessories
User's manual
1 x I/O Shield
1 x ROG Connect Cable
1 x ROG Cable Labels (12 in 1)
1 x SLI Cable
1 x 2-in-1 ASUS Q-Connector Kit
3 x 2-in-1 SATA signal cables
1 x Cable Ties
1 x ROG Theme Label

Support Disc
Support DVD:
- Drivers and applications
Sound Blaster X-Fi Utility
ROG GameFirst Utility
ASUS TurboV EVO Utility
ASUS PC Probe II
ASUS Update
ASUS AI Suite
Kaspersky Anti-Virus

Form Factor
uATX Form Factor
9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )