HP Pro 3300 Small Form Factor PC. Processor clock speed: 3.1 GHz, Processor family: Intel Core i3, Processor model: i3-2100. Internal memory: 2 GB, Maximum internal memory: 8 GB, Memory slots: 2x DIMM. Total storage capacity: 500 GB, Hard drive capacity: 500 GB, Hard drive rotational speed: 7200 RPM. On-board graphics adapter model: Intel HD Graphics 2000. Audio system direct sound: Realtek ALC656