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CPU
AMD Socket AM3 ;PhenomII /AthlonII /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.


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 )