This Apple iMac A1224 desktop computer boasts an Intel Core 2 Duo processor with a speed of 2.40 GHz and a dedicated graphics processing unit, an ATI Radeon HD 2400 XT. It has a 20-inch screen size and a sleek silver color. The computer also comes with 4 GB of RAM and a storage capacity of 250 GB in the form of a Solid State Drive.This all-in-one computer is perfect for casual computing and comes with built-in camera features. It operates on Mac OS X 10.5, Leopard. The desktop has USB 2.0 connectivity and measures 7.4 inches in length, 18.5 inches in height, and 19.1 inches in width. The Apple iMac A1224 was released in 2008 and has a maximum RAM capacity of 4 GB.