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Crucial RAM 64GB Kit (2x32GB) DDR4 2666 MHz CL19 Laptop Memory CT2K32G4SFD8266

  • Based on 24,188 reviews
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Availability: Only 9 left in stock, order soon!
Fulfilled by Memorybank

Arrives Tuesday, Jun 23
Order within 16 hours and 52 minutes
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Style: 2666MHz


Size: 64GB Kit (32GBx2)


Features

  • Improve your system's responsiveness, run apps faster and multitask with ease
  • Install with ease; no computer skills required. How-to guides available at Crucial
  • Compatibility assurance when using the Crucial System Scanner or Crucial Advisor Tool
  • Micron quality and reliability is backed by superior component and module level testing and 42 years of memory expertise
  • ECC Type = Non-ECC, Form Factor = SODIMM, Pin Count = 260-pin, PC Speed = PC4-21300, Voltage = 1.2V, Rank and Configuration = 2Rx8

Description

There’s an easy cure for a slow computer: more memory. Designed to help your system run faster and smoother, Crucial Laptop Memory is one of the easiest and most affordable ways to improve your system’s performance. Load programs faster. Increase responsiveness. Run data-intensive applications with ease, and increase your laptop’s multitasking capabilities.

Brand: Crucial


Computer Memory Size: 64 GB


RAM Memory Technology: 64 GB SO-DIMM


Memory Speed: 2666 MHz


Compatible Devices: Laptop


RAM Memory Technology: 64 GB SO-DIMM


Memory Speed: 2666 MHz


Compatible Devices: Laptop


Additional Features: Lightweight


Column Address Strobe Latency: 19


Form Factor: SO-DIMM


Number of Pins: 260


Memory Form Factor: SODIMM


Memory Generation: DDR4


RAM Size: 64 GB


Brand: Crucial


Model Name: Crucial DDR4 2666 MT/s SODIMM


UPC: 649528821195


Manufacturer: Crucial


Model Number: CT2K32G4SFD8266


Mfr Part Number: CT2K32G4SFD8266


Warranty Description: Limited Lifetime


Global Trade Identification Number: 95


Item Weight: 0.6 Ounces


Item Type Name: DDR4 Laptop Memory


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Jun 23

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Exactly as expected
Style: 2666MHz Size: 64GB Kit (32GBx2)
Bought as an upgrade for my laptop MSI GL75 9SDK Started working right after installation without any tuning. CPU-Z shows full match to the described characteristics. Dual-channel mode just works. The system looks to be pretty stable and fast. Wrt performance it's probably better to buy a smaller volume bars which may come with smaller timings, but 19 is already pretty good IMO. I any case I've bought this pack to have enough volume but not enough speed, and I've got exactly what was expecting. Maybe except the price which taking account the shipment and import clearance taxes turned out to be higher than from local retailers (overall local Belarus prices are 14% cheaper for the same memory) If anyone curious there is dmidecode below: Array Handle: 0x003A Error Information Handle: Not Provided Total Width: 64 bits Data Width: 64 bits Size: 32 GB Form Factor: SODIMM Set: None Locator: ChannelB-DIMM0 Bank Locator: BANK 2 Type: DDR4 Type Detail: Synchronous Speed: 2667 MT/s Manufacturer: Micron Serial Number: 2F3A12AE Asset Tag: 9876543210 Part Number: 16ATF4G64HZ-2G6B4 Rank: 2 Configured Memory Speed: 2667 MT/s Minimum Voltage: 1.2 V Maximum Voltage: 1.2 V Configured Voltage: 1.2 V Memory Technology: DRAM Memory Operating Mode Capability: Volatile memory Firmware Version: Not Specified Module Manufacturer ID: Bank 1, Hex 0x2C Module Product ID: Unknown Memory Subsystem Controller Manufacturer ID: Unknown Memory Subsystem Controller Product ID: Unknown Non-Volatile Size: None Volatile Size: 32767 MB Cache Size: None Logical Size: None ... show more
Reviewed in the United States on October 20, 2021 by Sergey

  • Works Perfectly - Much Less Costly Than OEM Memory
Style: 2666MHz Size: 64GB Kit (32GBx2)
I've used Crucial memory for years, and this memory did not disappoint. Crucial guarantees 100% compatibility to many computer models (check their web site to be certain about your setup). I felt confident ordering my Mac mini with the minimum 8GB of RAM memory and replacing it with this Crucial 64GB kit. I saved almost $700 over buying the higher memory amount with the computer. It installed and ran perfectly (using it right now to run multiple apps while writing this review). If you're comfortable opening your computer to add memory, I highly recommend buying this memory. If you're not comfortable opening your computer, do a Google search, watch a video, then buy and install this memory! ... show more
Reviewed in the United States on May 20, 2020 by Hajster

  • Contrary to Crucial support comments, this RAM works great in 2020 27" iMac
Style: 2666MHz Size: 64GB Kit (32GBx2)
It seems odd that Crucial customer support consistently says that this RAM is not designed for iMac, yet the RAM they suggest is $100 more. I ordered RAM designed for iMac and this RAM, and they both work. I returned the Mac specific RAM because it was more expensive and why use it if this works just fine. Plus, the other RAM was an off-brand and this was under $300 for 64GB. I kept and rearranged the 8GB RAM, so now I have 72GB RAM, which made an instant performance difference in every way. It took me a few minutes to figure out the correct orientation. I banked the two new memory cards together and the original ones together, and it booted up without any issue. Everything is operating as it should. If you have an iMac or any Mac that accepts this type of memory, be confident that it will work just fine, contrary to what Crucial customer support is trained to say. ... show more
Reviewed in the United States on June 9, 2021 by jpskar

  • Great quality and desperately needed memory upgrade.
Style: 2666MHz Size: 64GB Kit (32GBx2)
Wow, what a difference. My Dell XPS 15 was getting really sluggish. It had 16GB of ram but I was sitting at 85% or higher of memory usage. Did some research and found that the max memory I can have is 64GB so I bought this kit and my PC is WAY more snappy and responsive. Now even when I start pushing the limits with Msft Teams, Outlook, several webpages, Powerpoint and more running, it gets up to about 30% memory usage. I have not tried editing videos yet but I suspect that will work smoothly given it's snappy with all the other memory hogging applications that I've run simultaneously. I've worked in the tech space for years (including at a major CPU company) and know Crucial is a great quality memory supplier. While researching kits, I saw a LOT of no name brand solutions but knowing how important memory is in the stable operation of a PC, I didn't want to trust my system to low grade memory chips. Overall, very happy with this memory kit...it's made a big difference in performance on my laptop. ... show more
Reviewed in the United States on November 1, 2025 by Rough Riders

  • perfect memory for the new iMac 27" 2020
Style: 2666MHz Size: 64GB Kit (32GBx2)
I bought this for the new 2020 27" iMac. I installed the memory straight into the iMac right out of the box. Loaded it up and detected the 72 GB of RAM. 64 GB + (the 8 GB pre-installed). Very easy to do yourself. All you need to do is pop the cover by pressing on the button located on the back of the iMac and install the memory in the 2 empty slots. Put the cover back on and power up. Easy as 1 - 2 - 3. ... show more
Reviewed in the United States on October 20, 2020 by Ms VKC

  • Didnt realize its ddr4
Style: 2666MHz Size: 64GB Kit (32GBx2)
i returned it. DDr 5 is the way to go, if your system supports it.
Reviewed in the United States on January 13, 2025 by AL SERRETTE

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