Acer Altos R701 2.8 2X256MB 1X36GB U320, 2.8 GHz, 0.5 GB, SCSI, 500 W, Rack (2U) Acer Altos R701 2.8 2X256MB 1X36GB U320. Processor frequency: 2.8 GHz. Internal memory: 0.5 GB. Hard drive interface: SCSI. Power supply: 500 W. Chassis type: Rack (2U)