Dell Optiplex 790 SFF Desktop

Mainboard Intel Q77, Intel Core i5-3570 3.4GHz (up to 3.8GHz, 4 Cores / 4 Threads, 5GT/s, 6MB, s.1155), 4GB DDR3 RAM, 250GB SATAIII HDD, BTX SFF Desktop Case, DVD-ROM, Intel HD 2500, HD Sound, 4x USB 3.0, 6x USB 2.0, 2x DisplayPort, Gigabit LAN, Windows 7 Professional

Mainboard Intel Q43, Intel Pentium Dual-Core E5700 3.0GHz (800MHz FSB, 2MB, s.775), 4GB DDRII RAM, 160GB SATAII HDD, BTX UltraSFF Case, DVD-RW, Intel GMA 4500 up to 1GB, HD Sound, 7x USB 2.0, DVI only, Gigabit LAN, Windows 7 Professional