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CPUAMD Socket AM2+ / AM2 Phenom X4/Phenom X3/Athlon /Athlon X2/Sempron Processors
Support AM3 Phenom II / Athlon X4 / Athlon X3 / Athlon X2 Processors
AMD Cool 'n' Quiet Technology
Support 45nm CPU
AMD 140W CPU Support
 ChipsetAMD 790GX/SB750

System BusUp to 5200 MT/s HyperTransport 3.0 interface for AM3/AM2+ CPU
2000 / 1600 MT/s for AM2 CPU
 Memory4 x DIMM, Max. 16 GB, DDR2 1300(O.C.)/1200(O.C.)/1066/800/667 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 or this user manual for the Memory QVL(Qualified Vendors Lidts)
 Expansion Slots2 x PCIe 2.0 x16 (Single x16 with VGA Switch Card or Dual x8)*. Support ATI CrossFireX technology
2 x PCIe x1
2 x PCI 2.2

VGAIntegrated ATI Radeon HD 3300 GPU.
Max. shared memory: 512 MB
SidePort Memory - onboard 64MB DDR2 800 memory
Supports HDMI Technology with max. resolution up to 1920 x 1200 (1080P)
Supports Dual-link DVI with max. resolution up to 2560x1600 @60Hz
Supports D-Sub with max. resolution up to 2560x1440 @ 75Hz
Hybrid CrossFireX Support
Dual independent displays support with HDMI/DVI and D-Sub
Supports Microsoft® DirectX 10, OpenGL 2.0, Shader Model 4.0
Hardware Decode Acceleration for H.264,VC-1, and MPEG-2

StorageSB750 Chipset
1 xUltraDMA 133/100/66 for up to 2 PATA devices
5 xSATA 3 Gb/s ports Support RAID 0,1,5,10,JBOD
1 x eSATA 3Gb/s port


*Due to the Windows XP/ Vista limitation, the RAID array with the total capacity over 2TB cannot be set as a boot disk. A RAID array over 2TB can only be set as a data disk only.
LANAtheros L1E Gigabit LAN controller featuring AI NET 2
 AudioVIA VT1708S 8 -Channel High Definition Audio CODEC
- Supports Jack-Detection, Multi-Streaming, and Front Panel Jack-Retasking
- Optical S/PDIF Out ports at back I/O
- ASUS Noise Filtering
 IEEE 1394VIA VT6315N controller supports 2 x 1394a ports
USB12 USB 2.0 ports (6 ports at mid-board, 6 ports at back panel)
 ASUS Unique FeaturesASUS Power Solutions:
- 8+1 Phase Power Design
- ASUS Anti-Surge Protection
ASUS Green Design:
- ASUS EPU (*ASUS EPU is supported by AM3/AM2+ CPU only.)
- ASUS AI Nap
Express Gate
ASUS Quiet Thermal Solution:
- ASUS Fanless Design:Feather heatsink solution
- ASUS Q-Fan2
ASUS EZ DIY:
- ASUS Q-Connector
- ASUS CrashFree BIOS 3
- ASUS O.C. Profile
- ASUS EZ Flash 2

Overclocking FeaturesIntelligent overclocking tools
- AI Overclocking (intelligent CPU frequency tuner)
- TurboV
- Turbo Key
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 Features100% All High-quality Conductive Polymer Capacitors!(VRM 5000hrs lifespan @105°C, 500,000hrs @65°C)
ASUS MyLogo 2
AMD OverDrive Support*
* Advanced cooling system is required when advanced overclock functions of AMD OverDrive are enabled.
 Back Panel I/O Ports1 x DVI
1 x D-Sub
1 x HDMI
1 x External SATA
1 x S/PDIF Out (Optical)
1 x IEEE 1394a
1 x LAN(RJ45) port
6 x USB 2.0/1.1
8 -Channel Audio I/O
1 x PS/2 Keyboard (Purple)
Internal I/O Connectors3 x USB connectors (6 ports)
1 x Floppy disk drive connector
1 x IDE connector
5 x SATA connectors
1 x IEEE 1394a connector
1 x CPU Fan connector
2 x Chassis Fan connector
1 x Power Fan connector
1 x S/PDIF Out connector
CD audio in
Front panel audio connector
COM connector
Chassis Intrusion connector
System Panel (Q-Connector)
24-pin ATX Power connector
4-pin ATX 12V Power connector

BIOS8 Mb Flash ROM
AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.3, ACPI 2.0a, ASUS EZ Flash 2

Accessories1 x UltraDMA 133/100/66 cable
4 x SATA cable
VGA Switch Card
1 x I/O Shield
1 x User's manual
2 in 1 Q-connector (USB, System panel; Retail version only)
*The floppy disk drive cable is purchased separately
 Support DiscDrivers
ASUS PC Probe II
Express Gate
ASUS AI Suite
Anti-virus software (OEM version)
ASUS Update
AMD OverDrive Utility (AOD)

Form FactorATX Form Factor
12 inch x 9.6 inch ( 30.5 cm x 24.5 cm )