Acer Veriton Minitower - OS: Choice of Windows 8 Pro (64-bit) or Windows 7 Professional (64-bit) Processor: Intel Core i5-4570 (6MB Intel Smart Cache 3.20GHz up to 3.60GHz with Intel Turbo Boost Technology 2.0) Memory: 4GB (4/0/0/0) 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