ABIT KN8 ATX Motherboard with NVIDIA nForce4 (Socket 939) Supports AMD Socket 939 Athlon 64/64FX and Athlon 64 X2 dual-core processors Set up disks for maximum performance (RAID 0), for data protection (RAID 1), or for a combination of both performance and protection (RAID 0+1) Gigabit Ethernet performance eliminates network bottlenecks and improves overall performance nVIDIA Firewall protects your PC from intruders by filtering unauthorized traffic S/PDIF connects to today's hottest digital audio devices without signal loss