64GB OWC PC4-19200 2400MHz DDR4 CL17 SO-DIMM Memory Kit (4 x 16GB)

OWC memory module is designed for Mid 2017 iMac 27" w/Retina 5K models and PCs which utilize PC4-19200 SO-DIMM. The 64GB DDR4 2400 MHz SODIMM Memory Upgrade Kit (4 x 16GB) from OWC features a total capacity of 16GB, which is made up of four 16GB modules. The non-ECC memory module features a clock speed of 2400 MHz.

It has a 260-pin DIMM form factor and is dual-ranked. Plus, the memory module operates using 1.2V and has a CAS latency of CL17. OWC memory module includes a lifetime advanced replacement limited warranty.