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Crucial RAM 4GB DDR4 2666 MHz CL19 Laptop Memory CT4G4SFS8266

  • Based on 3,687 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Saturday, Sep 6
Order within 9 hours and 18 minutes
Available payment plans shown during checkout

Capacity: 4GB


Style: 2666MHz


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 = 1Rx8

Description

CT16G4SFD824A is a 16GB DDR4 Notebook module that operates at speeds up to 2400 MT/s and has a CL17 latency. It is an Buffered SODIMM. It conforms to the industry standard DDR4 SODIMM layout of 260 pins and is compatible with systems that take DDR4 2400MT/s SODIMM memory.


Brand: Crucial


Computer Memory Size: 4 GB


RAM Memory Technology: DRAM


Memory Speed: 2666 MHz


Compatible Devices: Laptop, PC


RAM: ‎4 GB DRAM


Memory Speed: ‎2666 MHz


Brand: ‎Crucial


Series: ‎DDR4 2666 MT/s SODIMM DRAM


Item model number: ‎CT4G4SFS8266


Item Weight: ‎0.282 ounces


Product Dimensions: ‎2.7 x 0.43 x 1.1 inches


Item Dimensions LxWxH: ‎2.7 x 0.43 x 1.1 inches


Color: ‎Multicolor


Number of Processors: ‎1


Computer Memory Type: ‎DDR4 SDRAM


Voltage: ‎12 Volts


Batteries: ‎Lithium Ion batteries required.


Manufacturer: ‎Crucial


Country of Origin: ‎China


Is Discontinued By Manufacturer: ‎No


Date First Available: ‎January 21, 2019


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Sep 6

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


  • Great easy upgrade for a basic laptop.
Capacity: 8GB Kit (4GBx2) Style: 2666MHz
I only need one dimm but for a few extra bucks I got the set to be safe that they would work together. I thought about getting 16gb but since it was a free upgrade for the neighbor I decided going from 4 to 8 would be good enough.
Reviewed in the United States on July 12, 2023 by Andrew Bohman

  • Works in my Synology DS220+ without any problems.
Capacity: 4GB Style: 2666MHz
Works in my Synology DS220+ without any problems.
Reviewed in the United States on July 18, 2023 by Meerkat Attack

  • Working great in my Synology DS220+ NAS
Capacity: 4GB Style: 2666MHz
Easy install and working great in my NAS
Reviewed in the United States on May 13, 2023 by brachiopod

  • Works great in my Synology DS423+ NAS
Capacity: 4GB Style: 2666MHz
Works great in my Synology DS423+ NAS
Reviewed in the United States on May 1, 2023 by owensmouth

  • Perfect RAM upgarde for a Synology DS920+
Capacity: 4GB Style: 2666MHz
After checking Crucial's website for compatibility with Synology I decided to try this as a cheap upgrade for my Synology DS920+. Installed really easy and worked just fine having no issues with Synology. This upgrade is perfect for running more apps and Docker containers on your Synology.
Reviewed in the United States on February 19, 2023 by Hillery York

  • No brainer for Synology Nas
Capacity: 4GB Style: 2666MHz
Just buy it if your trying to upgrade your Synology NAS.
Reviewed in the United States on March 20, 2023 by Amazon Customer

  • Great unofficial RAM for your Synology 220+ NAS
Capacity: 4GB Style: 2666MHz
My current Synology 220+ RAM usage was constantly hovering around 70-80%. I started researching to see if any additional RAM could be added. You have a few options. You can go the Synology route and end up paying $90 for a 4GB stick. OR, you could purchase one of these for a fraction of the cost. Be aware that per Synology - you will void your warranty if you go with a non-Synology RAM. I took a leap of faith after much research and guess what?! This works perfectly. Installation was a breeze and my NAS recognized it immediately. It's been running so far for about a month with no issues. The best part? My RAM usage is now between 20-30%. Much better. I notice the OS runs a lot more smoothly as well now since the RAM wasn't being almost maxed out constantly. This is definitely worth the purchase if you would like to expand your RAM. Do your research. There are a lot of posts on Reddit that share the same success that I had. You could even go higher and get yourself a 8, 16 or 32GB stick. The 4GB was more than enough for what I use my NAS for (Plex and storage). ... show more
Reviewed in the United States on March 6, 2022 by TheRealMikeO

  • Memory for my NAS
Capacity: 4GB Style: 2666MHz
This bank of memory works fine in a Synology NAS. The installation was easy and works great good value for the money.
Reviewed in the United States on February 19, 2023 by Wil

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