iMac Intel 21.5" EMC 2638 (Late 2013) Consumables
Arctic Silver Thermal Paste
Forms a continuous, heat conductive layer between a processor and its heat sink. A new layer of thermal paste keeps your processor from overheating. 3.5 grams
Arctic Silver ArctiClean
Two part cleaner dissolves old thermal paste on heat sinks and processors. One 30 ml bottle of thermal material remover and one 30 ml bottle of thermal surface purifier.
In September 2013, Apple upgraded the 21.5" iMac, but externally the new model is nearly indistinguishable from the Early 2013 model. Laminated to the cover glass is a 1920x1080 16:9 widescreen IPS display. External ports include four USB 3.0, two Thunderbolt, and one Gigabit Ethernet port. Wireless connectivity includes Bluetooth 4.0 and 802.11ac Wi-Fi.