Dell Optiplex 3020 MiniTower Business Desktop - (Windows 7 Professional, Intel Quad-Core i5-4790 Processor 6M Cache, up to 3.70 GHz, 8GB Memory, 1TB Hard Drive 7200RPM, Muiti DVD Drive) Intel Core i5-4590 Processor (Quad-Core, 6MB, 3.30GHz , boost up to 3.7GHz, w/HD4600 Graphics) Windows 7 Professional English/French 64bit (Includes Windows 8.1 Pro license) 8GB (2x4G) 1600MHz DDR3 Memory; 1TB 3.5inch Serial ATA (7.200 RPM) Hard Drive 16X DVD+/-RW; 2 x USB 2.0 in Front & 2 x USB 3.0 and 4 x USB 2.0 in Back; No Monitor or Speaker included Dell KB212-B QuietKey USB Keyboard; Dell USB Optical Mouse MS111