8-channel (7.1) Dolby Home Theater* Audio subsystem with five analog audio outputs and two S/PDIF digital audio outputs (coaxial and optical) using the Sigmatel* 9274D audio codec
Video
Nvidia SLI* and ATI CrossFire* multi-GPU platform support enables two graphics cards to work together for ultimate 3D gaming performance and visual quality
Full support of next-generation ATI CrossFire* and Nvidia SLI*
LAN support
Gigabit (10/100/1000 Mbits/sec) LAN subsystem
Peripheral interfaces
Twelve USB 2.0 ports (8 external ports, 2 internal headers)
Six Serial ATA 3.0 Gb/s ports, including 2 eSATA port with RAID support supplied by a Marvell* controller
Two IEEE-1394a ports (1 external port, 1 internal header)
Consumer IR receiver and emitter (via internal headers)
Expansion capabilities
One PCI Conventional* bus add-in card connectors (SMBus routed to PCI Conventional bus add-in card connector)
One primary PCI Express* 2.0 x16 (electrical x16) bus add-in card connector
One secondary PCI Express 2.0 x16 (electrical x16) bus add-in card connector
One PCI Express* 1.0a x16 (electrical x4) bus add-in card connector
