Veriton X6630G-i54590X Compact Desktop. OS: Windows 8.1 Pro (64-bit) / Windows 7 Professional (64-bit) Processor: Intel Core i5-4590 (6MB Intel Smart Cache 3.30GHz up to 3.70GHz with Intel Turbo Boost Technology 2.0) Memory: 8GB (4/4/0/0) DDR3 SDRAM Storage: 500GB SATA hard drive 7200RPM; Super-Multi drive Graphics: Integrated Intel HD Graphics 4600 (350MHz base frequency 1.15GHz max dynamic frequency) Communications: Gigabit LAN