Acer Altos R720, Altos. Processor frequency: 3 GHz, Processor family: Intel Xeon, L2 cache: 12 MB. Total storage capacity: 0 GB, Hard drive size: 8.89 cm (3.5"), Hard drive interface: Serial Attached SCSI (SAS). Internal memory: 2 GB, Internal memory type: DDR2-SDRAM, Maximum internal memory: 16 GB. Networking features: Gigabit Ethernet. Chassis type: Rack (2U)