This system is clean and one owner only. (1 TB HDD removed for another purpose. Clean install with new HDD required.) Monitor: HannsG 216D (18" by 12" image; 22" diagonal) Tower: Intel (R) Core (TM) i7 -3770 CPU @ 3.40 GHZ 4 GB Ram 64 Bit processing System, X64- based processor Keyboard: Microsoft wireless mouse and keyboard Package includes all necessary cables.