![A-Tech 32GB (2x16GB) RAM for 2017 iMac 21.5 inch Non-Retina | DDR4 2133MHz PC4-17000 SO-DIMM 260-Pin CL15 1.2V Non-ECC Unbuffered Memory Upgrade Kit A-Tech 32GB (2x16GB) RAM for 2017 iMac 21.5 inch Non-Retina | DDR4 2133MHz PC4-17000 SO-DIMM 260-Pin CL15 1.2V Non-ECC Unbuffered Memory Upgrade Kit](https://m.media-amazon.com/images/I/810w5SS7uXL.jpg)
A-Tech 32GB (2x16GB) RAM for 2017 iMac 21.5 inch Non-Retina | DDR4 2133MHz PC4-17000 SO-DIMM 260-Pin CL15 1.2V Non-ECC Unbuffered Memory Upgrade Kit
![Amazon.com: OWC 32GB (2 x 16GB) PC19200 DDR4 2400MHz SO-DIMMs Memory Compatible with Mac Mini (Late 2018), 27" and 21.5" iMac (Mid 2017), and Compatible PCs (OWC2400DDR4S32P) : Everything Else Amazon.com: OWC 32GB (2 x 16GB) PC19200 DDR4 2400MHz SO-DIMMs Memory Compatible with Mac Mini (Late 2018), 27" and 21.5" iMac (Mid 2017), and Compatible PCs (OWC2400DDR4S32P) : Everything Else](https://m.media-amazon.com/images/I/81ZnkZ4nKoL.jpg)
Amazon.com: OWC 32GB (2 x 16GB) PC19200 DDR4 2400MHz SO-DIMMs Memory Compatible with Mac Mini (Late 2018), 27" and 21.5" iMac (Mid 2017), and Compatible PCs (OWC2400DDR4S32P) : Everything Else
![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 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](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
![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/21640-25067-ifixitmemorykit1-xl.jpg)
2017 21.5-inch 4K iMac memory upgrade kit includes 32GB of RAM, tools to take it apart | AppleInsider
![Amazon.com: A-Tech 8GB RAM for 2017 iMac 21.5 inch Non-Retina | DDR4 2133MHz PC4-17000 SO-DIMM 260-Pin CL15 1.2V Non-ECC Unbuffered Memory Upgrade Module : Electronics Amazon.com: A-Tech 8GB RAM for 2017 iMac 21.5 inch Non-Retina | DDR4 2133MHz PC4-17000 SO-DIMM 260-Pin CL15 1.2V Non-ECC Unbuffered Memory Upgrade Module : Electronics](https://m.media-amazon.com/images/I/81TK8wROMTL.jpg)
Amazon.com: A-Tech 8GB RAM for 2017 iMac 21.5 inch Non-Retina | DDR4 2133MHz PC4-17000 SO-DIMM 260-Pin CL15 1.2V Non-ECC Unbuffered Memory Upgrade Module : Electronics
![Apple 21.5" Pre-Owned iMac Desktop Intel Core i5 2.3GHz 8GB Memory 1TB HDD ( 2017) Silver MMQA2LL/A - Best Buy Apple 21.5" Pre-Owned iMac Desktop Intel Core i5 2.3GHz 8GB Memory 1TB HDD ( 2017) Silver MMQA2LL/A - Best Buy](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/6469/6469231_sd.jpg)