CPU  
  AMD Socket AM2+ Athlon64/Athlon64 FX/Athlon64 X2/Sempron Processors
  AMD Cool 'n' Quiet™ Technology
  AMD 64 architecture enables simultaneous 32-bit and 64-bit computing
  AMD Live!™ Ready
Chipset  
  NVIDIA GeForce
  6100/nForce 430
System Bus
 
  2000/1600
Memory
 
  2 x DIMM, Max. 4 GB, DDR2 1066*/800/667/533 ECC,Non-ECC,Un-buffered Memory
Expansion Slots  
  1 x PCIe x16
  2 x PCIe x1
  3 x PCI
Storage
 
  1 xUltraDMA
  133/100
  4 xSATA 3 Gb/s ports
LAN  
  Gigabit LAN
Audio  
  ALC662 6 -Channel High Definition Audio Azalia CODEC
  Support Jack-Sensing, Enumeration, Multi-streaming
  S/PDIF out on back I/O port
USB
 
  10 USB 2.0
  ports (6 on board & 4 on back)
ASUS AI Lifestyle Features
 
  ASUS EZ DIY
  ASUS CrashFree BIOS 2
  ASUS EZ Flash
Special Features  
  ASUS MyLogo 2
  ASUS install
  ASUS Dram Burnt proof
  ASUS Fanless thermal solution (heatsink)
Back Panel I/O Ports
 
  1 x Parallel
  1 x PS/2 Keyboard
  1 x PS/2 Mouse
  1 x S/PDIF Out
  1 x LAN(RJ45) port
  4 x USB2.0/1.1
  1 x COM port
  6 -Channel Audio I/O
Internal I/O Connectors
 
  3 x USB connectors support additional 6 USB 2.0 ports
  1 x Floppy disk drive connector
  1 x IDE connector
  4 x SATA connectors
  1 x CPU Fan connector
  1 x Chassis Fan connector
  1 x 4-pin ATX 12V Power connector
  24 Power connector
  1 x Speaker Connector
  Front panel audio connector
  CD/AUX audio in
  System Panel
BIOS
 
  8 Mb Flash ROM
  DMI AMI BIOS
  PnP
  WfM 2.0
  SM BIOS 2.5
 
CPU Multiplier
  ASUS QFAN
  ACPI 2.0
Manageability
 
  WOL/WOR byPME,WOR by Ring,Chasis Intrusion,PXE
Accessories
 
  User's manual
  x UltraDMA 133/100/66 cable
 
x Floppy disk drive cable
  x SATA cable 
SATA power cable
  I/O Shield
Support Disc  
  Drivers
  ASUS PCProbe II
  Anti-virus software (OEM version)
  ASUS Update
  NVIDIA MediaShield™ RAID
Form Factor
 
  ATX Form Factor 
12 inch x7.6 inch ( 30.5 cm x19.3 cm )