This Mac desktop computer features a 21.5-inch screen, Intel Core i5 4th Gen. processor with a speed of 2.70 GHz, and 16 GB SSD capacity. It has a sleek silver color and comes with a keyboard and mouse. This Mac is perfect for office and workstation use with its built-in speakers and connectivity options of DisplayPort and USB 3.0. The operating system is Mac OS 11.0, Big Sur. This unit is an Apple iMac, released in 2013 and has HDD (Hard Disk Drive) storage type.