HP ProBook 4720s Notebook PC - XN792ES .

Intel Celeron Processor P4600 (2.00 GHz, 2 MB L3 cache), Mobile Intel HM57 Express, 2GB 1333 MHz DDR3 SDRAM, 320 GB 7200 rpm SATA II, DVD + /-RW Super Multi DL LightScribe, 17.3