![2017 21.5-inch 4K iMac memory upgrade kit includes 32GB of RAM, tools to take it apart | AppleInsider 2017 21.5-inch 4K iMac memory upgrade kit includes 32GB of RAM, tools to take it apart | AppleInsider](https://photos5.appleinsider.com/gallery/21640-25066-21622-24977-IG1JLCr6OejKtfEx-l-l.jpg)
2017 21.5-inch 4K iMac memory upgrade kit includes 32GB of RAM, tools to take it apart | AppleInsider
![A-Tech 16GB (2x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit at Amazon.com A-Tech 16GB (2x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit at Amazon.com](https://m.media-amazon.com/images/I/41a-Y0MGyqL._AC_SY350_.jpg)
A-Tech 16GB (2x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
![A-Tech 16GB (2x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit at Amazon.com A-Tech 16GB (2x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit at Amazon.com](https://images-na.ssl-images-amazon.com/images/I/81cwewP9efL._AC_UL135_SR135,135_.jpg)
A-Tech 16GB (2x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
![A-Tech 16GB (2x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit at Amazon.com A-Tech 16GB (2x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit at Amazon.com](https://m.media-amazon.com/images/S/aplus-seller-content-images-us-east-1/ATVPDKIKX0DER/A3LKWIQ3PBTNT2/dd3334fa-c7f6-4f14-8fb1-daf58de8d86c._CR0,0,970,300_PT0_SX970__.jpg)
A-Tech 16GB (2x8GB) RAM for Apple iMac Late 2015 27 inch Retina 5K | DDR3L 1866MHz / 1867MHz PC3L-14900 1.35V 204-Pin SODIMM Memory Upgrade Kit at Amazon.com
![4AllDeals 32GB (4X8GB) RAM Memory for Apple iMac 27-inch 2.7GHz Intel Core i5 (DDR3-1066MHz 204-pin SODIMM) at Amazon.com 4AllDeals 32GB (4X8GB) RAM Memory for Apple iMac 27-inch 2.7GHz Intel Core i5 (DDR3-1066MHz 204-pin SODIMM) at Amazon.com](https://images-na.ssl-images-amazon.com/images/I/41C9bJt1+IL._AC_UL600_SR600,600_.jpg)
4AllDeals 32GB (4X8GB) RAM Memory for Apple iMac 27-inch 2.7GHz Intel Core i5 (DDR3-1066MHz 204-pin SODIMM) at Amazon.com
![Amazon.com: A-Tech 16GB RAM for Apple iMac & Mac Mini (2018, 2019 & 2020) | DDR4 2666 MHz SODIMM PC4-21300 / PC4-21333 260-Pin SO-DIMM Memory Upgrade : Electronics Amazon.com: A-Tech 16GB RAM for Apple iMac & Mac Mini (2018, 2019 & 2020) | DDR4 2666 MHz SODIMM PC4-21300 / PC4-21333 260-Pin SO-DIMM Memory Upgrade : Electronics](https://m.media-amazon.com/images/I/51MBjTh60+L._AC_.jpg)