Lenovo ThinkServer RD120, 2.5 GHz, E5420, 4 GB, DDR2-SDRAM, 0 GB, Rack Lenovo ThinkServer RD120. Processor family: Intel® Xeon® 5000 Sequence, Processor frequency: 2.5 GHz, Processor model: E5420. Internal memory: 4 GB, Internal memory type: DDR2-SDRAM, Memory layout (slots x size): 2 x 2 GB. Total storage capacity: 0 GB, HDD size: 2.5", HDD interface: Serial Attached SCSI (SAS). Power supply: 835 W, Redundant power supply (RPS) support. Chassis type: Rack