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Crucial 4GB DDR4 2666MHz CL19 1.2V Non-ECC SODIMM, SO-DIMM Notebook Memory CT4G4SFS8266

by Crucial

81 ratings

| 7 answered questions

List Price:	S$65.50
Price:	S$48.00
You Save:	S$17.50 (27%)

New (3) from S$48.00 + FREE delivery

Capacity: 4GB Single Rank

Style Name: 2666 MT/s

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Optimized for next generation processors and platforms
Speeds up to 3200 MT/s and faster data rates are expected to be available as DDR4 technology matures
Increase bandwidth by up to 30 percentage
Reduce power consumption by up to 40 percentage and extend battery life
Faster burst access speeds for improved sequential data throughput

Product information

Capacity:4GB Single Rank | Style Name:2666 MT/s

Technical Details

Brand

Crucial

Manufacturer

Crucial

Series

DDR4 2666 MT/s SODIMM DRAM

Form Factor

260 pin_USO-DIMM

Item Height

1.1 inches

Item Width

0.43 inches

RAM

4 GB

Memory Technology

DRAM

Computer Memory Type

DDR4 SDRAM

Memory Clock Speed

2666 MHz

Voltage

12 Volts

Wattage

1000

Are Batteries Included

Manufacturer

Crucial

Item model number

CT4G4SFS8266

Product Dimensions

6.86 x 1.09 x 2.79 cm; 8 Grams

ASIN

B07HP78DZ5

Additional Information

Date First Available

18 June 2019

Customer Reviews

81 ratings

4.7 out of 5 stars

Best Sellers Rank

7,368 in Electronics (See Top 100 in Electronics)
91 in RAM

Is Discontinued By Manufacturer

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Product description

Capacity:4GB Single Rank | Style Name:2666 MT/s

Product Description

CT4G4SFS8266 is a 4GB Single Ranked DDR4 Notebook module 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 2666MT/s SODIMM memory.

Set Contains:

1x 4GB DDR4 2666MT/s Laptop SODIMM Memory

The fast, easy way to improve your laptop’s performance

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.


Make everything on your computer faster Memory is a component in your computer that allows for short-term data access. Since your system’s moment-to-moment operations rely on short-term data access – loading applications, browsing the Web or editing a spreadsheet – the speed and amount of memory in your system plays a critical role. Load apps in seconds by increasing the speed of your memory and installing more of it.	Multitask with ease If you’re like us, you use your computer to do a lot of things at once. You might be editing a document, while also looking at pictures and browsing the internet. This naturally leads to a performance problem: every app you’re running requires memory and competes for a limited pool of resources. Overcome this by installing high-density modules in each memory slot for seamless multitasking.	Install with ease – no computer skills required With just a screwdriver, your owner’s manual, and a few minutes of time, you can install memory – no computer skills necessary. Just watch one of our three-minute install videos, and we’ll walk you step-by-step through the process. Don’t pay a computer shop to do something you can do in minutes!	Maximize the value of your system At a fraction of the cost of a new system, a memory upgrade is one of the most affordable ways to increase performance. Get more out of your laptop by giving it the resources it needs to perform.

Micron quality – a higher level of reliability.

As a brand of Micron, one of the largest memory manufacturers in the world, Crucial Desktop Memory is the standard for reliable performance. From the original SDRAM technology all the way to DDR4, we’ve engineered the memory technologies that have powered the world’s computers for 40 years and counting.

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Customer reviews

5 star		84%
4 star		9%
3 star		2%
2 star		2%
1 star		3%

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62 customer reviews

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Ritenour/Grusin fan

It works great on the 2018 Mac Mini

21 January 2020

Capacity: 32GB Kit (16GBx2) DRStyle Name: 2666 MT/sVerified Purchase

The memory modules work great. The tricky part is getting the Mac Mini opened up and disassembled to get at the memory slots. Spent an extra hour remounting and dismounting the parts because the onboard speaker has a powerful magnet that kept attracting one of the torx screws into an inaccessible space under the speaker's mounting. The trick is to have the torx screw preinserted into the hole and held in place (before you try to align it i to the screw hole and turning the screw into the hole) so it won't get pulled under the nearby magnet and requiring dismounting of the mainboard to retrieve the screw.

5 people found this helpful

Helpful

jeansi

Don't give up, it works on my 2017 imac 5k after several tries

23 November 2020

Capacity: 32GB Kit (16GBx2) Dual RankStyle Name: 2400 MT/sVerified Purchase

my imac appear black screen with the stop icon after upgrade the ram, then I tried out with different configuration with the slot, the imac become unstable and reboot randomly. So I take out the original ones, use only the new 32GB kit at the slots that original ram placed and it works! After awhile, I insert back the original ram in another 2 slots and it finally work out!!! So far got no problem, and I happy with result.

One person found this helpful

Helpful

Lawrence Elmer Haydn

East to Install

16 July 2020

Capacity: 16GB Kit (8GBx2) Single RankStyle Name: 2666 MT/sVerified Purchase

Easy to install, and is blazing fast.
No problem encountered after installing.

The trick, though, is to know how to remove the old RAMs.
There is a small clip at the side. Just press it and it is released, then pull the RAM out.

To install, push the RAM into the slot, then press it down until the clip clicks in place.

In comparison, replacing a hard disk is more tricky.
Sometimes the hard disk is covered up in a tape, so you cannot see it.
You have to remove the tape to reveal the hard disk.
I encountered this when I replace the hard disk with a new SSD.
Thankfully, all went well.

Helpful

Jowsy

Works on 2019 iMac 27”

5 December 2019

Capacity: 32GB Kit (16GBx2) DRStyle Name: 2666 MT/sVerified Purchase

Item came as described and it’s working on my 2019 iMac 27” (no underclocking either)! Inserted into the empty slots and done. Will recommend to those looking for an affordable ram upgrade.

3 people found this helpful

Helpful

Derrick Soh

Great quality, efficient service & speedy delivery

15 December 2019

Capacity: 32GB Kit (16GBx2) DRStyle Name: 2666 MT/sVerified Purchase

Installation was a breeze process. Took less than 5 minutes to slot them at the back of my iMac 27" 2019. Everything was great except the packaging that need to be improved on. Was expecting the memory modules to be packed at least with bubble wraps, however, it was packed in a plastic sheet thrown inside an envelop. Thankfully the delivery staff handled it with care.

One person found this helpful

Helpful

Vasant

Works perfectly fine for iMac Retina 5K 27" 2019

18 May 2020

Capacity: 32GB Kit (16GBx2) DRStyle Name: 2666 MT/sVerified Purchase

Slotted in Crucial 32GB kit (2 x 16GB) CT2K1604SFD8266 DDR4 SODIMM RAM with existing 4GB x 2 Original RAM. no compatibility issues. works great. Total 40GB @ 2666mhz :-)

3 people found this helpful

Helpful

Amazon Customer

Soap all over the boxes of the items

3 October 2020

Capacity: 32GB Single RankStyle Name: 2666 MT/sVerified Purchase

I have just received them and when taken out of the envelope, we noticed there was liquid soap all over the plastic of the two items. As these are computer parts, you can imagine my horror. The smell of soap was obviously noticeable. The internal of the envelope has strong soap smell too. We have wiped the soap off the plastic. If the items are not working I’m returning them. Extremely disappointed with the packing services.
Update: items working. Please be careful with liquid spills next time.

Helpful

Alan Chong

Cheaper then Sim Lim Square

4 July 2020

Capacity: 32GB Kit (16GBx2) DRStyle Name: 2666 MT/sVerified Purchase

Works perfectly well in my 2020 Mac mini. My only concern was they came in a huge but fragile looking plastic bag, instead of a protective carton box. Fortunately no harm done to the RAM.

2 people found this helpful

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Crucial 4GB DDR4 2666MHz CL19 1.2V Non-ECC SODIMM, SO-DIMM Notebook Memory CT4G4SFS8266

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Technical Details

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Product description

Product Description

Set Contains:

The fast, easy way to improve your laptop’s performance

Make everything on your computer faster

Multitask with ease

Install with ease – no computer skills required

Maximize the value of your system

Micron quality – a higher level of reliability.

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62 customer reviews

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