CPU LGA775 socket for Intel® Core™2 Extreme / Core™2 Duo / Pentium® Extreme / Pentium® D / Pentium® 4 / Celeron® D Processors
Compatible with Intel® 05B/05A/06 processors
Intel® Hyper-Threading Technology ready
Chipset
Intel® P965 / ICH8R with Intel® Fast Memory Access Technology
Front Side Bus
1066 / 800 / 533 MHz
Memory
4 x DIMM, max. 8GB, DDR2 800 / 667 / 533 MHz, non-ECC, un-buffered memory
Dual channel memory architectur
Expansion Slots
2 x PCI-E x16 (blue @  x16 mode, black @ x2 or x4 mode)
1 x PCI-E x1 (x1 or diabled mode)
3 x PCI 2.2
Storage
Southbridge
 - 6 x SATA 3.0 Gb/s ports
 - Intel Matrix Storage Technology supports  RAID 0, 1, 5 and 10.
JMicron® JMB363 PATA and SATA controller
 - 1 x UltraDMA 133/100/66 for up to 2 PATA devices
 - 1 x Internal SATA 3.0 Gb/s port
 - 1 x External SATA 3.0 Gb/s port (SATA On-the-Go)
 - Support SATA RAID 0, 1 and JBOD
Form Factor
ATX Form Factor, 12"x 9.6" (30.5cm x 24.5cm)
LAN
Dual Gigabit LAN controllers, both featuring AI NET2
Marvell® PCI-E and PCI Gigabit LAN controllers
Audio
ADI® AD1988B 8-channel High Definition Audio CODEC
 - Support Jack-Sensing, Enumeration, Multi-streaming and Jack-Retasking
 - Coaxial / Optical S/PDIF out ports at back I/O
 - ASUS Noise Filter
 - ASUS Array Mic
 - DTS Connect™
IEEE 1394
TI® 1394a controller supports 2 x IEEE 1394a ports (one at midboard; one at back panel)
USB
8 x USB2.0 ports (4 ports at mid-board, 4 ports at back panel)
ASUS AI Lifestyle Features
ASUS Quiet Thermal Solution:
 - ASUS AI Gear
 - ASUS AI Nap
 - ASUS 8-Phase Power Design
 - ASUS Fanless Design: Heat-pipe solution
 - ASUS Fanless Design: Stack Cool 2
 - ASUS Q-Fan 2
 - ASUS Optional Fan for Water-cooling or Passive-Cooling only
ASUS Crystal Sound:
 - ASUS Noise Filter
 - ASUS Array Mic
ASUS EZ DIY:
 - ASUS Q-Connector
 - ASUS O.C. Profile
 - ASUS CrashFree BIOS 3
 - ASUS EZ Flash 2
 - ASUS Power LED
Other ASUS Special Features
ASUS MyLogo 2
Multi-language BIOS
Overclocking Features
Intelligent overclocking tools:
 - AI NOS™ (Non-delay Overclocking System)
 - AI Overclocking (intelligent CPU frequency tuner)
 - ASUS PEG Link - Automatically performance tuning for graphics card
 - ASUS AI Booster utility
Precision Tweaker:
 - vCore: Adjustable CPU voltage at 0.00625V increment
 - vDIMM: 13-step DRAM voltage control
 - vChipset: 4-step Chipset voltage control
SFS (Stepless Frequency Selection)
 - FSB tuning from 100MHz up to 650MHz at 1MHz increment
 - Memory tuning from 533MHz up to 1066MHz
 - PCI Express frequency tuning from 100MHz up to 150MHz at 1MHz increment
Overclocking Protection:
 - ASUS C.P.R.(CPU Parameter Recall)