Lenovo D20, ThinkStation. Processor family: Intel Xeon, Processor clock speed: 2.13 GHz, Processor model: E5606. Internal memory: 4 GB, Internal memory type: DDR3, Memory slots: 12x DIMM. Hard drive capacity: 500 GB, Hard drive interface: Serial ATA, Hard drive rotational speed: 7200 RPM. Optical drive type: DVD-ROM. Audio system: HD, Audio output channels: 7.1