HP Z800 Workstation, Z. Processor family: Intel Xeon Quad-Core, Processor clock speed: 2.93 GHz, Processor model: X5647. Internal memory: 12 GB, Internal memory type: DDR3, Memory slots: 12x DIMM. Hard drive capacity: 1500 GB, Hard drive interface: Serial ATA III, Hard drive rotational speed: 7200 RPM. Optical drive type: DVD Super Multi. Audio system: Realtek ALC262