A-Tech Components 128GB (4 x 32GB) RAM for Apple iMac Pro (2017) – DDR4 2666MHz PC4-21300 ECC RDIMM 288-pin Memory Upgrade Kit
Original price was: $889.59.$639.99Current price is: $639.99.
Make sure this fits by entering your model number.
128GB Kit (4 Sticks of 32GB) DDR4 2666MHz PC4-21300 ECC RDIMM (Registered DIMM) 2Rx4 1.2V 288-pin Memory RAM Modules
Designed for the Apple iMac Pro (2017) – Model ID: iMacPro1,1 – Model Number: A1862 – Part Number: MQ2Y2LL/A BTO/CTO *Only for the iMac Pro model, this is NOT compatible with standard iMac models which take non ecc sodimm memory*
Original price was: $889.59.$639.99Current price is: $639.99.

