Crucial - DDR4 - module - 32 GB - SO-DIMM 260-pin - 2666 MHz / PC4-21300 - CL19 - 1.2 V - unbuffered - non-ECC - for Apple iMac (Early 2019); Mac mini (Late 2018)

Crucial Memory for Mac Systems delivers compatible, high performance memory, allowing you to increase system speeds and maximize productivity.
CT32G4S266M is a 32GB DDR4 SODIMM for Mac that operates at speeds up to 2666 MT/s and has a CL19 latency. It is an Unbuffered SODIMM. It conforms to the industry standard DDR4 SODIMM layout of 260 pins and is compatible with systems that take DDR4 2666MT/s SODIMM memory.
Take the guesswork out of upgrading your Mac system with compatible Crucial memory. Simple to install and, Crucial memory speeds up your Mac so you can increase your productivity. Apple computers have very specific memory requirements including component densities, speeds, and timings - that's why it's important to use memory that has been specifically engineered for your Mac. With more than a decade of experience manufacturing and developing memory for all types of Apple computers, Crucial makes adding memory the easiest way to upgrade your Mac.