HP rp5800 Retail System (ENERGY STAR). Processor family: Intel, Processor model: Intel Core i7-2600 with Intel HD Graphics 2000 (3.40 GHz, 8 MB cache, 4 cores), Motherboard chipset: Intel Q67 Express. Memory type: DDR3 SDRAM, Memory slots: 4 DIMM, Maximum internal memory: 8 GB. Graphic adapter: Integrated HD. Operating system installed: Windows 7 Professional. Weight: 6.84 kg