HP Compaq Pro 6300 SFF Business Desktop PC - C7A55UT Small Form Factor PC Windows 8 Pro 64 Intel Core i3-3220 with Intel HD Graphics 2500 (3.30 GHz, 3 MB cache, 2 cores) 4 GB (1x4 GB) DDR3 1600 MHz SDRAM 500 GB 7200 rpm SATA 6.0 Gb/s NCQ, Smart IV