IBM x3550M3, System x. Processor clock speed: 2.26 GHz, Processor family: Intel Xeon, Processor model: E5607. Total storage capacity: 0 GB, RAID levels: 5, 10, 50, Hard drive size: 63.5 mm (2.5 "). Internal memory: 4 GB, Internal memory type: DDR3, Maximum internal memory: 288 GB. Maximum graphics adapter memory: 16 MB. Networking features: Gigabit Ethernet