HP 6300 SFF, Compaq Pro. Processor family: Intel Core i5, Processor model: i5-3470, Turbo frequency (max): 3.6 GHz. Internal memory: 4 GB, Maximum internal memory: 32 GB, Internal memory type: DDR3-SDRAM. 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. Operating system installed: Windows 8 Pro, Operating system architecture: 64-bit