Gigabyte high performance board Supports Socket AM2 for AMD Athlon 64 FX Athlon 64 X2 Dual-Core Athlon 64 Sempron processor NVIDIA n Force 570 SLI Dual PCI Express x 16 graphics ports SLI compliant supporting NVidia SLI multi-GPU function AMD Live-ready Superior dual channel DDR2 800667533400 support up to 16GB6 x SATA 3 Gbps with RAID function for fast reliable secure storage 1 x Fire Wire IEEE 1394 port 6-channel High Definition audio with optical SPDIF out port Gigabit LAN connection optimised with NVIDIA TCPIP Acceleration technology for broadband & fast networking 2 x PCI X16 2 x PCI 2 x PCI X1 slots 4 x USB (Universal Serial Bus) 2.0 ports Ro HS compliant motherboard for green computing Microsoft Windows Vista Premium Certified