HP Compaq Pro 6300 Small Form Factor PC. Processor model: Intel Core i5-3470 with Intel HD Graphics 2500 (3.20 GHz, 6 MB cache, 4 cores). Discrete graphics adapter model: Intel HD Graphics 2500. Optical drive type: SATA SuperMulti DVD writer. Operating system provided: Windows 7 Professional. Networking features: Intel 82579LM Gigabit