HP Compaq Elite 8300 23" All-in-One Business Desktop PC - C9J37UT Form Factor - All-in-One Operating system - Windows 8 Pro 64 Processor - Intel Core i7-3770 with Intel HD Graphics 4000 (3.40 GHz, 8 MB cache, 4 cores) Standard memory - 4GB 1600 MHz DDR3 SDRAM Internal drive - 500GB 7200 rpm SATA 6.0 Gb/s NCQ, Smart IV