Compaq DC5800 SFF Intel LGA755 Motherboard - Features: - CPU Brand: Intel - Socket: LGA 775/Socket T - Memory Type: DDR2 SDRAM - Bus Speed: 1066MHz - Expansion / Connectivity: 4 x DIMM, 1 x CPU, 1 x PCI, 1 x PCI-Express - Back I/O Ports: 2 x PS2, 6 x USB, Serial, Ethernet, 2 x Audio -