Color Silver Screen size (inches)21.5 Resolution 1920 x 1080 Storage 500 GB This Apple iMac all-in-one desktop computer features a 21.5 inch screen size and a 2011 release year. It comes with a 4GB RAM size and has a 2.50 GHz processor speed. The model is iMac and it has a 500GB hard drive capacity along with 500GB SSD capacity. The computer also includes a keyboard and mouse with purchase.