The Apple iMac A1418 is a 21.5-inch all-in-one desktop computer with 8GB of RAM and a 1TB HDD capacity. Released in 2013, this model comes with USB 3.0 connectivity, running on Mac OS 10.15, Catalina. With a sleek design and high-performance capabilities, the Apple iMac A1418 is a reliable choice for users seeking a compact and powerful computing solution from the trusted brand Apple. There is a small crack in the screen, please see photos! Otherwise works well