8GB DDR4-2666 (PC4-21300) CL19 Unbuffered SO-DIMM Desktop Memory Module (Apple Memory) - CT8G4S266M

Take the guesswork out of upgrading your Mac with Crucial memory for Mac systems. Since Apple computers often have very specific memory requirements, including particular component densities, speeds, and SPD programming specifications, its important to use memory thats 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.