Lenovo ThinkServer RD220, 2.93 GHz, X5570, 8 GB, DDR3-SDRAM, 675 W, Rack (2U) Lenovo ThinkServer RD220. Processor family: Intel® Xeon® 5000 Sequence, Processor frequency: 2.93 GHz, Processor model: X5570. Internal memory: 8 GB, Internal memory type: DDR3-SDRAM, Memory layout (slots x size): 2 x 4 GB. HDD size: 2.5", HDD interface: Serial Attached SCSI (SAS). Ethernet LAN. Optical drive type: DVD-RW. Power supply: 675 W, Redundant power supply (RPS) support. Chassis type: Rack (2U)