Sun SPARC Enterprise T5120 Server Base, 4 Core 1.2GHz UltraSPARC T2 processor,128MB Service Processor, no memory, no disks, no DVD, 4 - 10/100/1000 Ethernet ports, 1 serial port, 4 USB ports, 1 dedicated PCI-E low profile slot, 2 PCI-E low profile or XAUI