RAM & Memory Upgrades
A-Tech 32GB Kit (2x16GB) RAM for Apple iMac & Mac Mini (2018, 2019 & 2020) | DDR4 2666 MHz SODIMM PC4-21300 / PC4-21333 260-Pin SO-DIMM Memory Upgrade
32GB Kit ( 2 x 16GB Modules ) | DDR4 2666 MHz / 2667 MHz ( PC4-21300 / PC4-2666V ) | DDR4 SO-DIMM ( 260-Pin ) | Non-ECC Unbuffered | 1.2V - DDR4 Standard Voltage Compatible with iMac 2020 (27-inch Retina 5K) & 2019 (27-inch Retina 5K, 21.5-inch...
https://www.bizrate.co.uk/ram_memoryupgrades/a-tech-32gb-kit-2x16gb-ram-oid15133886816.html