2017 version 21.5 Comes with mouse and keyboard Hardly used Hardly used IMAC computer 2020 purchased new. Immaculate condition. With mouse and keyboard 21.5 inch computer Core i5 processor Specs The iMac "Core i5" 2.3 21.5-Inch Aluminum (Mid-2017/Kaby Lake) features a 14-nm "Kaby Lake" 2.3 GHz Intel "Core i5" processor (7360U) with two independent processor "cores" on a single chip, a 4 MB shared level 3 cache, 8 GB of 2133 MHz DDR4 SDRAM that is reportedly onboard -- but actually can be upgraded later -- a 1 TB (5400 RPM) hard drive (256 GB SSD standard with an optional 1 TB "Fusion" Drive, which combines a 32 GB SSD and a 1 TB HDD, for the same price starting on August 4, 2020), and an "integrated" Intel Iris Plus Graphics 640 graphics processor that shares system memory. It also has a built-in "FaceTime HD" webcam and stereo speakers. This model has a 21.5" 1920x1080 LED-backlit 16:9 widescreen IPS display with a fully laminated glass cover and an anti-reflective coating. The rear of the case is aluminum and is thicker in the middle and tapers to a razor thin 5 mm at the edges. Connectivity includes four USB 3.0 ports, dual Thunderbolt 3 (USB-C) ports, Gigabit Ethernet, 802.11ac Wi-Fi, and Bluetooth 4.2. Compared to its predecessor, this model essentially has the same external enclosure, but it has a more advanced processor, architecture, and graphics as well as Thunderbolt 3 (USB-C) ports.