Performance
 Based on Intel P55 chipset
 Supports Intel Socket 1156 Processors
 
Memory
 4 x 240-pin DIMM sockets
 Dual Channel DDR3
 Maximum of 16GB of DDR3 2600MHz+

Expansion Slot
 2 x PCIe x16/x8, 1 x PCIe x4, 1 x PCIe x1
 2 x 32-bit PCI, support for PCI 2.1

Storage I/O
 0 x UltraDMA133
 8 x Serial ATA 300MB/sec with support for RAID 0, RAID1, RAID 0+1, RAID5, JBOD

Integrated Peripherals
 8 Channel High Definition
 2 x 10/100/1000

Multi I/O
 1 x PS2 Keyboard
 13 x USB2.0 ports (7 external + 6 internal headers)
 Audio connector (Line-in, Line-out, MIC)
 FireWire 

Form Factor
 ATX Form Factor
 Length: 12in - 304.8mm
 Width: 9.6in - 243.84mm

Key Features

USB 2.0 Support
PCI Express® 2.0 / 1.1 Support
Serial ATA II
Solid Capacitors 
Passive Heatsink
On-Board Clear CMOS Button
On-Board Power Button with Integrated Power Light
On-Board Reset Button with Integrated HDD Activity Light 
On-Board Diagnostics LED Readout
2-Way SLI® Support
Windows XP™ Support
Windows Vista / Windows 7™ Support
DDR3 Support
Dual-Channel Support
Intel® Core i3, i5 and i7 Support