CPU

Intel Socket 775 Core™2 Quad/Pentium® Extreme/Pentium® D/Pentium® 4/Celeron Processors
Compatible with Intel® 05B/05A/06 processors
Support Intel® next generation 45nm CPU
Intel® Hyper-Threading Technology ready
* Please update the latest BIOS to support Intel 45nm CPU

Chipset

NVIDIA nForce 650i SLI

Front Side Bus

1333/1066/800/533/ MHz

Memory

4 x DIMM, Max. 8 GB, DDR2 800/667/533/ Non-ECC,Un-buffered Memory
Dual Channel memory architecture

Expansion Slots

2 x PCIe x16 , Single VGA mode: x16 (Default), SLI mode: x8, x8
1 x PCIe x1
2 x PCI 2.2

Storage

Southbridge
2 xUltraDMA 133/100/66/33
4 xSATA 3 Gb/s ports Support RAID 0,1,0+1,5,JBOD
1 x External Serial ATA 3.0 Gb/s (SATA On-the-Go)

LAN

Gigabit LAN featuring AI Net2 Marvell 88E1116 PHY

Audio

Realtek ALC883 6 -Channel CODEC
Coaxial / Optical S/PDIF out ports
Support Jack-Sensing, Enumeration, Multi-streaming

IEEE 1394

Supports 2 x 1394a ports connector onboard (1 in back + 1 on board)

USB

8 USB 2.0 ports

Overclocking Features

Intelligent overclocking tools
- AI Overclocking (intelligent CPU frequency tuner)
Precision Tweaker
- vDIMM: 8 -step DRAM voltage control
- vCore: Adjustable CPU voltage at 6.25mv increment
- vChipset 4-step voltage control
SFS (Stepless Frequency Selection)
- FSB tuning from 200MHz up to 750MHz at 1MHz increment
- PCI Express frequency tuning from 100MHz up to 131MHz at 1MHz increment
Overclocking Protection
- ASUS C.P.R.(CPU Parameter Recall)
CPU Multiplier

Special Features

ASUS MyLogo 2
ASUS Q-Connector
ASUS Q-Fan 2
ASUS Fanless thermal solution (heatsink)
ASUS O.C. Profile
ASUS PC Probe2
ASUS Update

BIOS

4 Mb Flash ROM
DMI 2.0
PnP
WfM 2.0
SM BIOS 2.3
Award BIOS
ASUS EZ Flash 2
ASUS CrashFree BIOS 2

Manageability

WfM 2.0,DMI 2.0,WOL/WOR by PME WOR by Ring PXE,RPL AI NET2

Internal I/O Connectors

2 x USB connectors supports additional 4 USB ports
1 x Floppy disk drive connector
1 x IEEE 1394a connector
1 x CPU Fan connector
2 x Chassis Fan connector
1 x S/PDIF Out connector
1 x4-pin ATX 12V Power connector
24 -pin ATX Power connector
Front panel audio connector
COM connector
Chassis Intrusion connector
CD/AUX audio in
System Panel Connector

Back Panel I/O Ports

1 x Parallel
1 x PS/2 Keyboard
1 x PS/2 Mouse
1 x External SATA
1 x S/PDIF Out
1 x IEEE 1394a
1 x LAN(RJ45) port
4 x USB 2.0/1.1
6 -Channel Audio I/O

Accessories

User's manual
SLI bridge
USB2.0 module
x UltraDMA 133/100/66 cables
x Floppy disk drive cables
x SATA cables
SATA power cables
I/O Shield
2 in 1 Q-connector (Retail version only)
I/O Shield

O/S Compatibility

Windows Vista
Windows XP

Support Disc

Drivers
ASUS PC Probe II
Anti-virus software (OEM version)
ASUS Update
NVIDIA RIS (Remote Installation Service) application

Form Factor

ATX Form Factor
12 inch x 9 inch ( 30.5 cm x 22.9 cm )