2 Archived Guides
These are some common tools used to work on this device. You might not need every tool for every procedure.
T5 Torx Screwdriver
Arctic Silver Thermal Paste
Arctic Silver ArctiClean
Heavy-Duty Suction Cups (Pair)
Identification and Background ¶
Released November 30, 2012, the 21.5" iMac EMC 2544 features improved specifications and significantly redesigned internals, housed in a much slimmer case. It can be identified by its model number A1418 and EMC number, 2455, both of which are located beneath the single foot.
- Intel core i5 or i7 processor
- 8 GB of RAM, customizable up to 16 GB
- 1TB hard drive (5400 rpm), with upgrade option to a 1 TB Fusion drive
- NVIDIA GeForce GT 640M graphics processor with 512 MB dedicated VRAM
- Four USB 3.0 ports and two Thunderbolt ports
- 802.11n Wi-Fi and Bluetooth 4.0