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CPU
AMD AM3/AM2+/AM2 ;PhenomII /AthlonII /Phenom / Athlon /Sempron Processors
AMD 140W CPU Support
AMD Cool 'n' Quiet Technology
Support 45nm CPU

Chipset
NVIDIA GeForce 8300

System Bus
Up to 5200 MT/s HyperTransport 3.0 interface for AM3/AM2+ CPU
2000 / 1600 MT/s for AM2 CPU

Memory
4 x DIMM, Max. 16 GB, DDR2 1200(O.C.)/1066*/800/667 ECC,Non-ECC,Un-buffered Memory
Dual Channel memory architecture
*Due to AMD CPU limitation, DDR2 1066 is supported by AM2+/AM3 CPU for one DIMM per channel only.
**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
1 x PCIe 2.0 x16
2 x PCIe x1
3 x PCI 2.2

VGA
Integrated NVIDIA GeForce 8 series GPU
Hybrid SLI Support (supports Windows Vista only)
Supports HDMI Technology with max. resolution up to 1920 x 1200
Supports DVI with max. resolution up to 1920 × 1200 @ 60 Hz
Supports D-Sub with max. resolution up to 1920 × 1440 @ 75 Hz
HDMI/DVI/RGB Support
Supports Microsoft DirectX 10, OpenGL 2.0, Pixel Shader 4.0
Support PCIe 2.0 / 1.0 Architecture

Storage
NVIDIA GeForce 8300
1 xUltraDMA 133/100
6 xSATA 3 Gb/s ports (Legacy IDE operation is only supported on drives 1–4.)
NVIDIA MediaShield Support RAID 0,1,0+1,5,JBOD
*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.

LAN
NVIDIA Gigabit MAC

Gigabit
LAN controller featuring AI NET 2

Audio
VIA1708S 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

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

ASUS Unique Features
ASUS Power Solutions
- 4+1 Phase Power Design
- ASUS Anti-Surge Protection
ASUS Green Design:
- ASUS EPU
*ASUS EPU is supported by AM2+/AM3 CPU only.
- ASUS AI Nap
Express Gate
ASUS Quiet Thermal Solution
- ASUS Fanless Design: Stylish heatsink solution
- ASUS Q-Fan2
ASUS Crystal Sound
- ASUS Noise Filtering
ASUS EZ DIY
- ASUS Q-Connector
- ASUS CrashFree BIOS 2
- ASUS O.C. Profile
- ASUS EZ Flash 2

Overclocking Features
Intelligent overclocking tools
- AI Overclocking (Intelligent CPU Frequency Tuner)
- ASUS TurboV
- ASUS Turbo Key
Precision Tweaker
- vDIMM: 8 -step DRAM voltage control
- vCore: Adjustable CPU voltage at 50mV increment
- vChipset 4-step Chipset voltage control
SFS (Stepless Frequency Selection)
- FSB tuning from 200MHz up to 600MHz at 2MHz increment
- PCI Express frequency tuning from 100MHz up to 200MHz at 1MHz increment
Overclocking Protection
- ASUS C.P.R.(CPU Parameter Recall)

Special Features
100% All High-quality Conductive Polymer Capacitors! (VRM 5000hrs lifespan @105°C, 500,000hrs @65°C)
ASUS MyLogo 2

Back Panel I/O Ports
1 x DVI
1 x D-Sub
1 x PS/2 Keyboard
1 x HDMI
1 x PS/2 Mouse
1 x S/PDIF Out (Optical)
1 x LAN(RJ45) port
4 x USB 2.0/1.1
8 -Channel Audio I/O

Internal I/O Connectors    4 x USB connectors (8 ports)
1 x Floppy disk drive connector
1 x IDE connector
6 x SATA connectors
1 x CPU Fan connector
1 x Chassis Fan connector
1 x Power Fan connector

Front panel audio connector
COM connector
Chassis Intrusion connector
System Panel (Q-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 2.5, ACPI 2.0, ASUS EZ Flash 2

Accessories
1 x UltraDMA 133/100/66 cable
2 x Serial ATA cables
I/O Shield
User's manual
2 in 1 Q-connector (USB, System panel; Retail version only)
*The floppy disk drive cable is purchased separately

Support Disc
Drivers
ASUS PC Probe II
Express Gate
ASUS AI Suite
Anti-virus software (OEM version)
ASUS Update

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