HP Business Desktop Elite 8300 B8U13UT All-in-One Computer - Intel Core i5 i5-3470 3.2GHz - Desktop B8U13UT#ABA Form Factor - All-in-One Operating system - Windows 7 Professional 64 Processor - Intel Core i5-3470 with Intel HD Graphics 2500 (3.20 GHz, 6 MB cache, 4 cores) Standard memory - 4GB 1600 MHz DDR3 SDRAM Internal drive - 500GB 7200 rpm SATA 6.0 Gb/s NCQ, Smart IV