Sun Fire X4600 M2 x64 Server with 950W power supplies: XATO base chassis package including motherboard, 2-PCIX slots, 6-PCI-E slots (4 x8-lane, 2-x4-lane), 4xUSB 2.0 ports, 4x10/100/1000 BaseT Ethernet, 4x950W PSU, redundant fans, service processors, DVD