iMac Intel 21.5" EMC 2428 (Mid 2011)
Arctic Silver Thermal Paste
3.5 gram Arctic Silver thermal paste tube. Thermal paste forms a continuous, conductive layer between a processor and its heat sink, improving cooling performance and kee...
Arctic Silver ArctiClean
Two part thermal paste remover. Two part cleaner used to dissolve thermal paste and purify the surfaces of heat sinks and processors before applying new thermal paste. In...
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.