Acer DT.VFGAA.003;VN2620G-UC8872X Desktop CPU:Intel Celeron Processor 887 (2MB L3 cache, 1.50GHz) 4GB DDR3 500 GB 5400 rpm Hard Drive WINDOWS 7 PROFESSIONAL 64-BIT EDITION / WINDOWS 8 PRO 64-BIT EDITION DUAL LOAD