HP Compaq Elite 8300 Ultra-slim PC (ENERGY STAR), Compaq Elite. Processor family: Intel Core i5, Processor model: i5-3470S, System bus: 5 GT/s. Internal memory: 4 GB, Maximum internal memory: 16 GB, Memory slots: 2x SO-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 2500. Audio system: HD Audio