CPU

 Support AMDR Socket AM2 Athlon 64 X2/Athlon 64 FX/Athlon 64/Sempron
 AMD Cool 'n' Quiet Technology
 AMD64 architecture enables simultaneous 32-bit and 64-bit computing
 AMD Live! Ready

Chipset

 NVIDIA nForceR 590 SLI MCP
 NVIDIA LinkBoost Technology

Front Side Bus

 2000/1600 MT/s

Memory

 Dual channel memory architecture
 4 x DIMM, max. 8GB, DDR2-800/667/533, ECC and non-ECC, un-buffered memory

Expansion Slots

 2 x PCI Express x16 slot with NVIDIAR SLI technology support, at full x16, x16 speed
 1 x PCI Express x4
 1 x PCI Express x1
 2 x PCI 2.2

SLI

 Support two identical NVIDIA SLI-Ready graphics cards (both at x16 mode)
 ASUS two-slot thermal design
 ASUS PEG Link

Storage

 NVIDIA nForce 590 SLI MCP supports:
 1 x Ultra DMA 133/100/66/33
 6 x Serial ATA 3.0Gb/s
 NVIDIA MediaShield? RAID supports RAID 0, 1, 0+1, 5 and JBOD span cross Serial ATA drives
 Silicon ImageR 3132 SATA controller supports
 1 x Internal Serial ATA 3.0Gb/s 
 1 x External Serial ATA 3.0Gb/s port on back I/O (SATA in-the-Go)
 Support RAID 0, 1, and JBOD

LAN

 Dual Gigabit LAN controllers support NVIDIA DualNetR technology
 NVIDIA nForceR 590 SLI? MCP built-in dual Gigabit MAC with external Marvell PHY
 Support Teaming and fail-over functions
 Support TCP/IP Acceleration

Audio

 ADI 1988B 8-channel High Definition Audio CODEC
 Support Jack-Sensing, Enumeration, Multi-streaming and Jack-Retasking
 Coaxial, Optical S/PDIF out on back I/O port
 Support DTSR Connect function

Wireless LAN

 WiFi-AP Solo? USB wireless module supports IEEE802.11b/g

IEEE 1394a

 TI 1394 controller supports 2 x 1394a ports

USB

 Wireless Edition: max. 8 USB2.0/1.1 ports

ASUS AI Lifestyle Features

 AI Nap
 AI Gear
 Advanced Thermal Design
 ASUS Fanless Design: Heat-pipe Thermal solution
 Stack Cool2?
 ASUS 8-Phase Power Design

 ASUS Crystal Sound
 ASUS Array Mic
 Noise Filter

 WiFi-AP Solo? (Wireless Edition only)
 54 Mbps IEEE 802.11g and backwards compatible with 11 Mbps IEEE 802.11b
 Software Access point mode
 Station mode : Infrastruceure mode and Ad-Hoc mode

Overclocking Features

 Intelligent overclocking tools:
 ASUS AI NOS? (Non-delay Overclocking System)
 AI Overclocking (intelligent CPU frequency tuner)
 AI Clock Skew 
 ASUS PEG Link - automatically performance tuning for graphics cards
 ASUS O.C. Profile: overclocking configuration-sharing tool

 Precision Tweaker: 
 vDIMM: 25-step DRAM voltage control 
 vCore: Adjustable CPU voltage at 0.0125V increment 
 PCIe x16 Frequency: allowing PCIe x16 frequency from 100MHz up to 200MHz at 1MHz increment 
 SFS (Stepless Frequency Selection): allowing FSB tuning from 200MHz up to 400MHz at 1MHz increment

 Overclocking Protection:
 ASUS C.P.R.(CPU Parameter Recall)
 ASUS AI Booster Utility
 Adjustable FSB/DDR2 ratio. Fixed PCI/PCIe frequencies.

Special Features

 ASUS EZ DIY: 
 Q-Connector
 ASUS CrashFree BIOS3
 ASUS EZ Flash2
 ASUS Music Alarm
 ASUS MyLogo3

Back Panel I/O Ports

 1 x PS/2 Keyboard port
 1 x PS/2 Mouses
 1 x Optical + 1 x Coaxial S/PDIF Output
 1 x External SATA
 2 x LAN (RJ45) port
 4 x USB 2.0/1.1 ports
 1 x IEEE 1394a port
 1 x WiFi-g? antenna jack (Wireless Edition only)
 1 x COM port
 8-channel Audio ports

Internal I/O Connectors

 Wireless Edition: 2 x USB 2.0 connectors supports additional 4 USB 2.0 ports
 1 x Floppy disk drive connector
 1 x IDE connector for two devices
 7 x SATA connectors
 1 x CPU / 4 x Chassis / 1x Chipset / 1 x Power Fan connectors
 1 x IEEE1394a connector
 1 x Parallel connector
 1 x S/PDIF output connector
 1 x ADH connector
 Chassis Intrusion connector
 Front Panel Audio connector
 CD audio in
 24-pin ATX Power connector
 4-pin ATX 12V Power connector
 System panel connector

BIOS

 8Mb Flash ROM, AWARD BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.3

Manageability

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

Accessories

 1 x SLI bridge
 1 x ASUS Array Mic
 1 x ASUS Optional Fan
 1 x ASUS Q-Connector Kit (USB, 1394, system panel; Retail version only)
 1 x wireless antenna (Wireless Edition only)
 1 x UltraDMA 133/100/66 cable
 1 x Floppy disk drive cable
 6 x SATA cables
 3 x SATA power cable for 6 devices
 1 x 2-port USB2.0 module
 1 x IEEE1394a module
 1 x I/O Shield
 InterVideoR Media Launcher (OEM version only)
 User's manual

Support CD

 Drivers
 ASUS WiFi-AP Solo? Wizard (Wireless Edition only)
 ASUS PC Probe II
 ASUS Update
 ASUS AI Booster
 NVIDIA MediaShield? RAID
 Anti-virus software (OEM version)

Form Factor

 ATX Form Factor, 12"x 9.6"(30.5cm x 24.5cm)