In the Republic of Gamers, mercy rules are only for the weak, and bragging rights means everything. We believe in making statements and we excel in competitions. If your character matches our trait, then join the elite club, make your presence felt, in the Republic of Gamers. The Intel® X48 Express Chipset is the latest chipset designed to support the next generation 45nm CPU in high-end desktop and workstation platform; and up to 8GB of dual-channel DDR3 1066/800 MHz or DDR2 800/667 MHz memory architecture. It also supports 1600/1333/1066/800 FSB (Front Side Bus), fully dual PCI Express x16 graphics and multi-core CPUs. 

Specifications

CPU: Intel Socket 775 Core™2 Quad/Core™2 Extreme/Core™2 Duo/Pentium® Extreme/Pentium® D/Pentium® 4 Processors
Compatible with Intel® 05B/05A/06 processors
Support Intel® next generation 45nm CPU 
Chipset: Intel X48. Intel ICH9R  Intel Fast Memory Access Technology
Form Factor: ATX
FSB: 1600 / 1333 / 1066 / 800 MHz 
Memory:
4 x DIMM, Max. 8 GB, DDR2 1200*/1066/800/667 ECC,Non-ECC,Un-buffered Memory
Dual Channel memory architecture
*DDR2 1200 is O.C. speed.
*Refer to www.asus.com or this user manual for the Memory QVL(Qualified Vendors Lidts).
Slots: 
2 x PCIe 2.0 x16 , support at full x16, x16 speed
3 x PCIe x1 ( the PCIEx1_1 (black) is compatible with audio slot)
2 x PCI 2.2
CrossFire: Support ATI CrossFire graphics cards
LAN:
Dual Gigabit LAN controllers, both featuring AI NET2
Support Teaming Technology
Audio:
SupremeFX II Audio Card
ADI 1988B 8 -Channel High Definition Audio CODEC
Coaxial / Optical S/PDIF out ports at back I/O
ASUS Noise Filter  
Storage:
Southbridge
6 xSATA 3 Gb/s ports
Intel Matrix Storage Technology Support RAID 0,1,5,10
JMicron® JMB368 PATA controller
1 xUltraDMA 133/100/66/33 for up to 2 PATA devices
IEEE 1394: 2 x 1394a ports (1 port at back I/O, 1 port onboard)
USB: 12 USB 2.0 ports (6 ports at mid-board, 6 ports at back panel)
Warranty: 3yrs
Weight: 2.5kg