Crucial RAM 64GB Kit (2x32GB) DDR4 2666 MHz CL19 Memory for Mac CT2K32G4S266M

(1121 Reviews)

Price
$72.59

Quantity
(10000 available )

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497 Ratings
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Reviews
  • C2NS21

    > 3 day

    Works perfectly with iMac (Retina 5K, 27-inch, 2019).

  • Edrock200

    12-06-2025

    Works fine on a PC laptop as well. I popped this into a Dell gaming laptop that came with 12GB RAM (1x8GB + 1x4GB). The laptop went into dual channel mode once installed and the RAM performs well and as expected. If this SODIMM is cheaper than ones marketed for PCs (as it was at the time I purchased it) get this one and save some $$$.

  • Evan Gifford

    > 3 day

    Took some re-arranging of the RAM slots - but works perfectly.

  • Lionyx2015

    > 3 day

    Ever since someone told me about the memory product call Crucial many years ago, Ive purchased only this brand of memory.

  • Norman Cahn

    > 3 day

    Upgraded my new 2017 iMac with 32 gigs and love the performance and headroom.

  • Karsus

    > 3 day

    What else is there to say? Easy and cheap plug and play memory for the mac mini.

  • D. Remus

    Greater than one week

    After I had returned it as defective because it wouldnt work alongside my preinstalled RAM, I read a review (or a comment on a review, I cant remember which) stating that the key is to install the preinstalled RAM in slots 1-2 and this RAM in slots 3-4. In other words, instead of keeping the preinstalled RAM in slots 1 and 3 and adding this in slots 2 and 4, you must keep each of the the two different memory types together. I ordered it again and, sure enough, it worked the first time. This seems like such a critical piece of information that I wish Crucial would highlight it on the product page here on Amazon.

  • Mark

    > 3 day

    Awesome product and easy to install!

  • MOHD. A.

    > 3 day

    Fast and easy install, great quality.

  • Sbagwell

    > 3 day

    Easily installed, recognized by my iMac 27 immediately

CT2K32G4S266M is a 64GB Kit consisting of (2) 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 2666 MT/s SODIMM memory.

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