iMac Intel 21.5" (EMC 2428)
iMac Intel 21.5" Glass Panel (EMC No. 2428)
Replaces cracked or damaged glass on specified Intel iMacs.
In May 2011, Apple upgraded the 21.5" iMac. Externally, the machine features edge-to-edge glass and an aluminum rear bezel. Internally, an LED display, 4 RAM slots (to upgrade to a maximum of 16 GB RAM), more powerful video processing, and featuring quad Core i5 and i7 processors.