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Crucial - DDR4 - kit - 32 GB: 2 x 16 GB - SO-DIMM 260-pin - 2666 MHz / PC4-21300 - unbuffered

Mfg # CT2K16G4S266M CDW # 5805912 | UNSPSC 32101602

Quick tech specs

  • 32 GB: 2 x 16 GB
  • 2666 MHz / PC4-21300
  • 1.2 V
  • non-ECC
  • SO-DIMM 260-pin
  • CL19
  • unbuffered
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Know your gear

Upgrade your system performance with the Crucial® DDR4 Memory Kit. It contains two 16 GB modules that help enhance your system's multitasking abilities. These unbuffered memory modules are compatible with motherboards having 260-pin SO-DIMM slots and DDR4-enabled chipsets. The modules have been extensively tested at the component level for voltage and temperature resistances, signal integrity, and software compatibility.

We no longer carry Crucial - DDR4 - 32 GB: 2 x 16 GB - SO-DIMM 260-pin (3939640), but we found this replacement for you.

Compare the discontinued item to the replacement item:
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Availability: 11 units In Stock
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Crucial - DDR4 - kit - 32 GB: 2 x 16 GB - SO-DIMM 260-pin - 2666 MHz / PC4-21300 - unbuffered

This Item: Crucial - DDR4 - kit - 32 GB: 2 x 16 GB - SO-DIMM 260-pin - 2666 MHz / PC4-21300 - unbuffered

$82.78

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Crucial - DDR4 - 32 GB: 2 x 16 GB - SO-DIMM 260-pin - unbuffered is rated 4.80 out of 5 by 35.
Rated 5 out of 5 by from Perfect for 2020 iMac Worked like a charm!
Date published: 2020-09-26T00:00:00-04:00
Rated 5 out of 5 by from Twenty years of reliable memory I've been putting Crucial memory in my Macs for over 20 years. I still have a couple of those Macs, including a G4 Cube and one of the first 12" laptops, and they're still running strong. I wouldn't use anything else.
Date published: 2021-11-04T00:00:00-04:00
Rated 5 out of 5 by from Great experience. Upgraded the RAM in new iMac. Works great.
Date published: 2021-10-21T00:00:00-04:00
Rated 5 out of 5 by from Always top quality Always choose Crucial memory as you'll know it's faultless and you'll have no issues with compatibility or performance. Seamless integration in the iMac, 100% spot on.
Date published: 2021-10-23T00:00:00-04:00
Rated 5 out of 5 by from Fine product at reasonable cost Reliable memory at a fraction of the cost of Apple memory; relatively easy to install.
Date published: 2021-11-03T00:00:00-04:00
Rated 5 out of 5 by from Yes I would buy this produ=ct again. In an iMac. 27 inch 2020
Date published: 2021-10-11T00:00:00-04:00
Rated 5 out of 5 by from Faultless product Have used the product for 5 months now. No issues at all. Fast and faultless is how I would describe this product.
Date published: 2021-10-13T00:00:00-04:00
Rated 5 out of 5 by from as advertised none
Date published: 2021-09-16T00:00:00-04:00
Rated 5 out of 5 by from Works great Thank you for a great product.
Date published: 2021-09-16T00:00:00-04:00
Rated 5 out of 5 by from Easy an very awesome Installed in memory wasn't working call customer support Fondo it was something with Apple that was causing the problem they help me work through it now it works great great company to work with fast quick response great company I'd buy from them again
Date published: 2021-09-16T00:00:00-04:00
Rated 5 out of 5 by from I don't notice it, which means it's working I added these two cards to my new iMac, which already had two 8GM cards installed. I installed these in every-other slot, alternating with the existing 8GM cards, and everything's working perfectly.
Date published: 2021-09-29T00:00:00-04:00
Rated 5 out of 5 by from Yes I would buy this product again if needed. I used the memory storage for photos and charts.
Date published: 2021-09-29T00:00:00-04:00
Rated 5 out of 5 by from Works for iMac 2020 - no problems Lots of stories about problems updating iMac memory - no problem here
Date published: 2021-09-29T00:00:00-04:00
Rated 5 out of 5 by from I would buy this product again! it arrived on time and was very easy to switch out the original ram from my iMac 27 2020 to replace with these 32 GB ram.
Date published: 2021-09-27T00:00:00-04:00
Rated 5 out of 5 by from Crucial is my first choice always for memory. I depend on Crucial products.
Date published: 2021-09-27T00:00:00-04:00
Rated 5 out of 5 by from I'd like to buy this product again! Upgrade iMac 27" 5K 2021 model
Date published: 2021-09-28T00:00:00-04:00
Rated 5 out of 5 by from Wound purchase again Everything works great
Date published: 2021-09-15T00:00:00-04:00
Rated 5 out of 5 by from perfect for imac Has improved performance of machine
Date published: 2022-09-18T00:00:00-04:00
Rated 5 out of 5 by from Product is the solution I needed. Quadrupling the RAM in my Mac Mini.
Date published: 2022-09-13T00:00:00-04:00
Rated 5 out of 5 by from Well packaged, arrived quickly and works a treat! Easy to fit and works well.
Date published: 2022-09-05T00:00:00-04:00
Rated 5 out of 5 by from Rammed up Added 32gb to my iMac and it's speedier than ever. Great quality ram, incredibly lame postage though with 2 chips floating around inside a huge and in protective envelope from overseas. Amazed it arrive intact!
Date published: 2022-09-05T00:00:00-04:00
Rated 5 out of 5 by from It's ok, no problems I haven't really noticed much change adding 32GB
Date published: 2023-11-13T00:00:00-05:00
Rated 5 out of 5 by from I would by this product again. I was able to update my software myself and everything works great. I m not a computer technician so I fumbled around trying to figure everything out. Thankfully You Tube was a big help as always.
Date published: 2023-12-03T00:00:00-05:00
Rated 5 out of 5 by from The purchase was easy and smooth. Couldn't wish better. Work laptop. This was a RAM expansion therefore the DIM kind choice was predefined.
Date published: 2023-12-12T00:00:00-05:00
Rated 5 out of 5 by from Good Service Easy and good shopping
Date published: 2023-09-16T00:00:00-04:00
Rated 5 out of 5 by from Bought these to upgrade my Qnap TS-264 to 32Gb Used to upgrade my Qnap new TS-264 from 8GB 1x8 to 32GB 2x16 ram
Date published: 2023-10-20T00:00:00-04:00
Rated 5 out of 5 by from Working well. Installation straightforward and no problems. Additional Ram that works fine
Date published: 2023-12-27T00:00:00-05:00
Rated 5 out of 5 by from My iMac is like a different machine The new RAM totally transformed my machine, I was looking to replace my computer as it was so slow due to working with larger files by adding the extra RAM I can work with this machine for more tine
Date published: 2023-12-17T00:00:00-05:00
Rated 5 out of 5 by from Exactly what I needed. Upgraded 2020 iMac from 16 to 64 and it was perfect. Super easy to install and did just what I needed.
Date published: 2024-01-16T00:00:00-05:00
Rated 5 out of 5 by from Perfect solution for my Mac that wasn't performing well no issues! great delivery and packaging.
Date published: 2024-02-16T00:00:00-05:00
Rated 5 out of 5 by from Reliable as usual! Great product.
Date published: 2024-02-20T00:00:00-05:00
Rated 5 out of 5 by from Easy to find and fit. Easy to find the RAM I needed and easy to fit - even for me! Prompt delivery too. Thanks!
Date published: 2024-02-17T00:00:00-05:00
Rated 5 out of 5 by from Product as advertised Product worked great and was installed easily in 27inch iMac, just what was needed to upgrade/replace two modules that died.
Date published: 2024-02-17T00:00:00-05:00
Rated 5 out of 5 by from Simple but effective! Slotted in easily and has improved my iMac's performance.
Date published: 2024-03-26T00:00:00-04:00
Rated 5 out of 5 by from Crucial helped with iMac Ram Home computing and games
Date published: 2024-03-16T00:00:00-04:00