Adamanta 128GB (4x32GB) Memory Upgrade for 2020 Apple iMac 27″ w/Retina 5K Display & 2019 Apple iMac 27″ w/Retina 5K Display DDR4 2666Mhz PC4-21300 SODIMM 2Rx8 CL19 1.2v DRAM RAM

Amazon.com Price: $489.96 (as of 27/09/2022 06:38 PST- Details)

Adamanta 128GB (4x32GB) Memory Upgrade for 2019 & 2020 Apple iMac 27″ (iMac 19,1 iMac 20,1 iMac 20,2) w/Retina 5K Display DDR4 2666MHz PC4-21300 SODIMM 2Rx8 CL19 1.2v DRAM RAM,
128GB ( 4x32GB ) DDR4 2666 MHz Non-Parity/Non-ECC Unbuffered SODIMM Memory 260 pin Dual Rank Module.
Memory Upgrade Compatible with 2020 27 inch iMac w/ Retina 5K Display model ID: 20,1 20,2 (i5 3.1GHz, i5 3.3GHz, i7 3.8GHz, i9 3.6GHz). Models: MXWT2LL/A, MXWU2LL/A, MXWV2LL/A