HP 462432-001 dc7900 SFF Desktop PC Motherboard - PCI-E Input - 2 x AGP Input - 24-PIN PSU Input - 4 x DDR2 SDRAM Slots - IDE Input - LGA 755 Processor Socket - 6 x USB 2.0 Input - Rj-45 Ethernet Network Input - Fire Wire Input - 9-Pin Serial input 0 VGA Input - Dual PS/2 Inmput (Keyboard & Mouse) - Dual Port Audio Jack - Small Form Factor