Mid 2011 27” 2.7GHz i5 iMac with a 1TB hard drive, 16GB of ram, Apple keyboard and macOS High Sierra installed. No visible flaws. Runs as it should, fast and clear with a (2560 x 1440) large display. No mouse but any mouse will work. Keyboard and power cord included and will ship in packaging specifically designed for 27” iMacs with padded foam. Free 90-day warranty from GoodApplesNY.