Fujitsu PRIMERGY RX300 S5, 2.26 GHz, E5520, 4 GB, DDR3-SDRAM, 146 GB, Rack (2U) Fujitsu PRIMERGY RX300 S5. Processor family: Intel® Xeon® 5000 Sequence, Processor frequency: 2.26 GHz, Processor model: E5520. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory layout (slots x size): 2 x 2 GB. Total storage capacity: 146 GB, HDD size: 2.5", HDD interface: Serial Attached SCSI (SAS). Power supply: 800 W, Redundant power supply (RPS) support. Chassis type: Rack (2U)