HP 220, Z. Processor family: Intel Xeon, Processor clock speed: 3.4 GHz, Processor model: E3-1245V2. Internal memory: 4 GB, Internal memory type: DDR3, Memory slots: 4x DIMM. Hard drive capacity: 1000 GB, Hard drive interface: Serial ATA, Hard drive rotational speed: 7200 RPM. Graphic adapter: HD Graphics P4000, Graphics adapter family: Intel. Optical drive type: DVD Super Multi