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. Please refer to Memory QVL for details.
*Refer to www.asus.com or the user manual for the Memory QVL(Qualified Vendors Lists).

Expansion Slots

2 x PCIe 2.0 x16 (single at x16 or dual at x8/x8 mode)
2 x PCIe 2.0 x1 (2.5GT/s)
2 x PCI

Multi-GPU Support

Supports NVIDIA® Quad-GPU SLI™ Technology
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
JMicron® JMB368 PATA controller
1 xUltraDMA 133/100/66 for up to 2 PATA devices
Marvell® 88SE9123 SATA controller:
- 2 x SATA 6.0 Gb/s ports (gray)

LAN

Dual Gigabit LAN controllers Realtek® 8112L / 8110SC Gigabit LAN controller featuring AI NET2 and Teaming

Audio

VIA® VT2020 10-Channel High Definition Audio CODEC
- Absolute Pitch BD192/24 featuring ENVY HD
- DTS Surround Sensation UltraPC
- Supports Jack-Detection, Multi-streaming, Front Panel Jack-Retasking
- Coaxial / Optical S/PDIF out ports at back I/O

IEEE 1394

VIA® 6308P controller supports 2 x 1394a ports (one at mid-board; one at back panel)

USB

12 USB 2.0/1.1 ports (4 ports at mid-board, 8 ports at back panel)

ASUS Unique Features

ASUS Hybrid Processor - TurboV EVO
- Auto Tuning, TurboV and Turbo Key
- TurboV Remote
ASUS 48 Hybrid Phase*
- T.Probe Technology for Active Cooling
- 32+3 Phase Power Design
- 100% Ultra Long Life Japan-Made Solid Capacitors
*48 Hybrid Phase = 32+3 Phase x T.Probe
ASUS Hybrid OS - Express Gate SSD
ASUS Xtreme Design
ASUS Exclusive Features
- MemOK!
- ASUS EPU
ASUS Quiet Thermal Solution
- ASUS Fanless Design: Heat-pipe solution
- ASUS Fanless Design: Stack Cool 3+
- ASUS Fan Xpert
ASUS Crystal Sound
- ASUS Noise Filter
ASUS EZ DIY
- ASUS Q-Shield
- ASUS Q-Connector
- ASUS O.C. Profile
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 2
- ASUS MyLogo 2
- Multi-language BIOS
ASUS Q-Design
- ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED)
- ASUS Q-Slot
- ASUS Q-DIMM

Overclocking Features

Precision Tweaker 2
- vCore: Adjustable CPU voltage at 0.00625V increment
- vIMC: Adjustable IMC voltage at 0.00625V increment
- vDRAM Bus: 81-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 200MHz 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 IEEE 1394a
2 x LAN(RJ45) port
8 x USB 2.0/1.1
10 -Channel Audio I/O
1 x PS/2 Keyboard port (Purple)
1 x PS/2 mouse port (Green)
1 x Coaxial S/PDIF Output
1 x Optical S/PDIF Output
1 x Clear CMOS switch

Internal I/O Connectors

2 x USB connectors support additional 4 USB ports
1 x IDE connector
1 x TPM connector
1 x IEEE 1394a connector
1 x CPU Fan connector
1 x Power Fan connector
1 x COM connector
6 x SATA 3.0Gb/s connectors (blue)
2 x SATA 6.0Gb/s connectors (gray)
2 x Chassis Fan connector (1x4-pin, 1x3-pin)
Front panel audio connector
1 x S/PDIF Out Header
1 x CD audio in
1 x 24-pin ATX Power connector
1 x 8-pin ATX 12V Power connector
System Panel(Q-Connector)
1 x TURBO_CON header (for TurboV Remote)
1 x MemOK! button
1 x Power on switch
1 x Reset switch

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
1 x TurboV Remote
2 x Serial ATA 6.0Gb/s cables
4 x Serial ATA 3.0Gb/s cables
1 x 2-port USB and eSATA module
ASUS Q-Shield
2 in 1 Q-connector
1 x ASUS SLI bridge connector

Support Disc

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

Form Factor

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

CPU

AMD Socket AM3 ;Phenom™II /Athlon™II /Sempron™ 100 Series Processors
AMD Cool 'n' Quiet™ Technology
Supports 45nm CPU

Chipset

AMD 790X/SB750

System Bus

Up to 5200 MT/s ; HyperTransport™ 3.0

Memory

4 x DIMM, Max. 16 GB, DDR3 1800(O.C.)/1600/1333/1066 ECC,Non-ECC,Un-buffered Memory
Dual Channel memory architecture
*Due to OS limitation, when installing total memory of 4GB capacity or more, Windows® 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended.
**Refer to www.asus.com for the memory QVL (Qualified Vendors Lists).

Expansion Slots

2 x PCIe 2.0 x16 , support ATI CrossFireX™ technology (at one x16 or dual x8 link)
2 x PCIe x1
2 x PCI 2.2

Storage

SB750 Chipset
1 xUltraDMA 133/100/66 for up to 2 PATA devices
6 xSATA 3 Gb/s ports Support RAID 0,1,5,10,JBOD
Marvell 88SE6121 SATA controller
1 xInternal SATA 3Gb/s port(black)
1 xExternal SATA 3Gb/s port (SATA on-the-go)

LAN

Realtek® 8112L Gigabit LAN controllers

Audio

VIA® VT1708S 8-Channel High Definition Audio CODEC
DTS Surround Sensation UltraPC
Supports Jack-Detection, Multi-Streaming, and Front Panel Jack-Retasking
Optical S/PDIF Out ports at back I/O
ASUS Noise Filtering

IEEE 1394

VIA® VT6315N controller supports 2 x 1394a ports (1 at mid-board; 1 at back panel)

USB

12 USB 2.0/1.1 ports (4 ports at mid-board, 8 ports at back panel)

ASUS Unique Features

ASUS Power Solutions:
- ASUS New-Gen. 8+2 Phase Power Design
- ASUS Anti-Surge Protection
ASUS Green Design:
- EPU
Express Gate
ASUS Quiet Thermal Solution:
- ASUS Fanless Design: Stylish heat-sink solution
- ASUS Q-Fan2
ASUS EZ DIY:
- ASUS Q-Shield
- ASUS Q-Connector
- ASUS CrashFree BIOS 3
- ASUS O.C. Profile
- ASUS EZ Flash 2

Overclocking Features

Intelligent overclocking tools
- AI Overclocking (intelligent CPU frequency tuner)
- TurboV
- Turbo Key
Precision Tweaker 2
- vDIMM: 50 -step DRAM voltage control
- vCore: Adjustable CPU voltage at 0.0125V increment
- vChipset 16-step voltage control
SFS (Stepless Frequency Selection)
- FSB tuning from 200MHz up to 600MHz at 1MHz increment
- PCI Express frequency tuning from 100MHz up to 150MHz at 1MHz increment
Overclocking Protection
- ASUS C.P.R.(CPU Parameter Recall)

Special Features

100% All High-quality Conductive Polymer Capacitors!
ASUS MyLogo 2
AMD OverDrive Support*
*Advanced cooling system is required when advanced overclock functions of AMD OverDrive are enabled.

Back Panel I/O Ports

1 x PS/2 Keyboard port (Purple)
1 x PS/2 mouse port (Green)
1 x S/PDIF Out port (Optical)
1 x eSATA
1 x IEEE 1394a port
1 x LAN (RJ45) port
8 x USB 2.0/1.1 ports
8-Channel Audio I/O ports

Internal I/O Connectors

2 x USB connectors (4 ports)
1 x IDE connector
7 x SATA connectors
1 x IEEE 1394a connector
1 x CPU Fan connector
2 x Chassis Fan connector
1 x Power Fan connector
System Panel (Q-Connector)
1 x COM connector
1 x Chassis Intrusion
Front panel audio connector
1 x S/PDIF Out header
CD audio in
24-pin ATX Power connector
4-pin ATX 12V Power connector

BIOS

8 Mb Flash ROM , AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.3, ACPI 2.0a, ASUS EZ Flash 2, ASUS CrashFree BIOS 3

Manageability

WOL by PME,WOR by PME,WOR by Ring,Chasis Intrusion,PXE

Accessories

User's manual
1 x I/O Shield
1 x UltraDMA 133/100/66 cable
4 x SATA cable(s)
2-in-1 Q-connector (USB, System panel; Retail version only)

Support Disc

Drivers
ASUS PC Probe II
Express Gate
ASUS AI Suite
Anti-virus software (OEM version)
ASUS Update
AMD OverDrive Utility (AOD)

Form Factor

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