Gigabyte performance board Supports LGA 775 Intel Core 2 Extreme dual-core Core 2 Duo Pentium D Pentium 4 Celeron D processors Supports 1066800533 M Hz FSBIntel 945GC Express chipset PCI Express x 16 graphics port Intergrated Intel Graphic Media Accelerator 950 Superior Dual channel DDR2 667 memory support up to 2GB4 x SATA 3 Gbps for fast reliable storage 8 channel Intel high definition home theatre quality audio Gigabit Ethernet connection for broadband & fast networking 2 x PCI 2 x PCI x 4 slots 4 x USB (Universal Serial Bus) 2.0 ports Ro HS compliant motherboard for green computing Microsoft Windows Vista Premium Certified