Lenovo ThinkStation D10, ThinkStation. Processor clock speed: 2500 MHz, Processor family: Intel Xeon, Processor model: E5420. Internal memory: 8192 MB, Internal memory type: DDR2, Memory slots: 8 DIMM. Hard drive capacity: 146 GB, Hard drive interface: Serial Attached SCSI (SAS), Hard drive rotational speed: 15000 RPM. Optical drive type: DVD±RW. Audio system: ALC888S