GIGABYTE K8NP S939 nVIDIA 4 SLI DDR400, AMD, Socket 939, ATX, ATX, 30.5 mm, 24.4 mm GIGABYTE K8NP S939 nVIDIA 4 SLI DDR400. Processor manufacturer: AMD, Processor socket: Socket 939. Motherboard form factor: ATX, Power source type: ATX. Width: 30.5 mm, Depth: 24.4 mm. I/O ports: 2 x UDMA ATA 133/100/66 Bus Master IDE 2 x PCI-Express X 16 2 x PCI-Express X 1 2 x PCI 4 x..., Manageability features: NVIDIA SLI multi-GPU NVIDIA Firewall Norton Internet Security Xpress Installation Xpress...