![A-Tech 16GB Kit (2X 8GB) DDR4 2400MHz Memory RAM Upgrade for Apple iMac ( 2017, Retina 5K, 27-inch), iMac (2017, Retina 4K, 21.5-inch) A1418 A1419 - PC4-19200 260-pin SO-DIMM Modules : Amazon.in: Computers A-Tech 16GB Kit (2X 8GB) DDR4 2400MHz Memory RAM Upgrade for Apple iMac ( 2017, Retina 5K, 27-inch), iMac (2017, Retina 4K, 21.5-inch) A1418 A1419 - PC4-19200 260-pin SO-DIMM Modules : Amazon.in: Computers](https://m.media-amazon.com/images/I/81fFnvBpIaS.jpg)
A-Tech 16GB Kit (2X 8GB) DDR4 2400MHz Memory RAM Upgrade for Apple iMac ( 2017, Retina 5K, 27-inch), iMac (2017, Retina 4K, 21.5-inch) A1418 A1419 - PC4-19200 260-pin SO-DIMM Modules : Amazon.in: Computers
![iMac 21.5-inch 4K, 3.0GHz(TB up to 4.1GHz) 6-core 8th-Gen i5, 8GB DDR4, 256GB SSD, 560X with 4GB - dpsb iMac 21.5-inch 4K, 3.0GHz(TB up to 4.1GHz) 6-core 8th-Gen i5, 8GB DDR4, 256GB SSD, 560X with 4GB - dpsb](https://www.dpsb.co.uk/app/uploads/2020/10/iMac-21.5-inch-4K-3.0GHzTB-up-to-4.1GHz-6-core-8th-Gen-i5-8GB-DDR4-256GB-SSD-560X-with-4GB-scaled.jpg)
iMac 21.5-inch 4K, 3.0GHz(TB up to 4.1GHz) 6-core 8th-Gen i5, 8GB DDR4, 256GB SSD, 560X with 4GB - dpsb
![NEMIX RAM 32GB (2X16GB) SODIMM Memory Upgrade Kit DDR4 2400MHz PC4-19200 Compatible with Apple iMac 2017 27-inch w/Retina 5K, 21.5-inch w/Retina 4K /Non-Retina 4K iMac 18,1 / iMac 18,2 / iMac 18,3 at NEMIX RAM 32GB (2X16GB) SODIMM Memory Upgrade Kit DDR4 2400MHz PC4-19200 Compatible with Apple iMac 2017 27-inch w/Retina 5K, 21.5-inch w/Retina 4K /Non-Retina 4K iMac 18,1 / iMac 18,2 / iMac 18,3 at](https://m.media-amazon.com/images/I/81-mRRuUbGL.jpg)
NEMIX RAM 32GB (2X16GB) SODIMM Memory Upgrade Kit DDR4 2400MHz PC4-19200 Compatible with Apple iMac 2017 27-inch w/Retina 5K, 21.5-inch w/Retina 4K /Non-Retina 4K iMac 18,1 / iMac 18,2 / iMac 18,3 at
![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
![Review: Apple's 21.5" iMac with Retina 4K display gets solid 2017 architectural refresh | AppleInsider Review: Apple's 21.5" iMac with Retina 4K display gets solid 2017 architectural refresh | AppleInsider](https://photos5.appleinsider.com/gallery/21707-25280-FullSizeRenderjpg-2-l.jpg)