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Crucial 8GB DDR4 RAM with 2 Modules (2x4GB) and 2666 Speed for Laptop
Memory RAM

Crucial 8GB DDR4 RAM with 2 Modules (2x4GB) and 2666 Speed for LaptopCode: 21823795

Key features:

  • Speed: 2666 MT/s
  • CAS Latency (CL): 19-19-19
  • Voltage: 1.2V
See full description

  2. 8 GB

    from 39,05 €

  2. 2

    from 39,05 €
39,05€
DeliveryMon, 30 Sep - Wed, 02 Oct
+5,00 €shipping cost

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  1. Crucial 8GB DDR4-2666MHz (CT2K4G4SFS8266)

    Store information
    35,40 €

  2. Crucial 8GB Kit (2x4GB) 2666MHz SODIMM DDR4 CL19 1.2V (CT2K4G4SFS8266)

    Store information
    40,19 €

  3. Crucial 8GB (2x4GB) 2666MHz DDR4 SO-DIMM CT2K4G4SFS8266

    Store products
    39,05 €

  4. Μνήμη RAM Φορητού DDR4 8GB Crucial 2666

    Store products
    40,04 €

  5. Crucial DDR4-2666 Kit 8GB 2x4GB SODIMM CL19 (4Gbit)

    Store information
    38,44 €

  6. Crucial 8GB Kit DDR4 2666 MT/s 4GBx2 SODIMM 260pin SR x8 unbuff

    Store information
    35,85 €

  7. Crucial 8GB SODIMM DDR4 Non ECC CL19 2666MHz (CT2K4G4SFS8266) (Kit 2 x 4096)

    Store products
    39,11 €

  8. Crucial 8GB Kit DDR4 2666 MT/s 4GBx2 SODIMM 260pin SR x8 unbuff (CT2K4G4SFS8266)

    Store information
    35,45 €

  9. Crucial DDR4-2666 Kit 8GB 2x4GB SODIMM CL19 (4Gbit) (έως 18 δόσεις)

    Store products
    41,42 €

  10. Crucial 8GB DDR4 (2x4GB) 2666MHz (CT2K4G4SFS8266)

    Store information
    38,90 €

  11. Crucial 8GB DDR4 RAM με 2 Modules (2x4GB) και Συχνότητα 2666MHz για LaptopΚωδικός: CT2K4G4SFS8266

    Store information
    33,05 €

  12. Crucial 8GB Kit DDR4 2666 MT/s 4GBx2 SODIMM 260pin SR x8 unbuff

    Store products
    40,45 €

  13. Crucial DDR4-2666 Kit 8GB 2x4GB SODIMM CL19 (4Gbit)

    Store products
    59,39 €

  14. Crucial DDR4-2666 Kit 8GB 2x4GB SODIMM CL19 (4Gbit) Crucial

    Store information
    33,05 €

  15. Crucial 8GB DDR4-2666MHz (CT2K4G4SFS8266)

    Store products
    35,43 €

Description

Upgrade your laptop or mini PC with Crucial SO-DIMM DDR4 RAM, increasing the execution speeds of all your processes.

DDR4

DDR4 is the fourth generation of RAM memory technology for computers. It replaces DDR3 and offers increased speeds and capacity.

It offers operating speeds from 2133MT/s to 4800MT/s, response time (CAS Latency) from CL 9 to CL 22, while its capacity has increased up to 32GB per memory module.

For speed (MT/s) and capacity (GB), the larger size we choose, the better performance we will have in our system, while for response time (CL), we want the smallest size for the speed (MT/s) we have selected.

The above characteristics should be compatible with our motherboard specifications.

The Crucial SODIMM DDR4 provides speed at 2666MT/s, with CL19 and 4GB per memory module.

Compatibility

The DDR4 technology is compatible with specific motherboards and processors. Specifically, DDR4 is compatible with Intel Skylake, Kaby Lake, Coffee Lake series processors, as well as the latest Intel processors, and AMD Ryzen and Threadripper series processors.

However, for compatibility with your motherboard, you must ensure that your motherboard supports DDR4 technology from the manufacturer. Compatibility depends on the processor platform and the type of motherboard you are using.

Easy Installation

To install it, you only need a screwdriver and the user manual of your laptop. By watching a video for your laptop model, you will be able to upgrade your RAM memory without any issues or additional charges.

Manufacturer

Crucial

Specifications

Product Number
CT2K4G4SFS8266

Main Specifications

Capacity
8 GB
Type
DDR4
Speed
2666
Computer Type
Laptop
Size
SO-DIMM GB

Special Features

Modules
2
CAS Latency
19 CAS Latency
RGB Lighting
No

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews

4,8
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  2. 6
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Reviews by our members

  • hkarageorgos
    5
    1 out of 1 members found this review helpful
    hkarageorgos

    Verified purchase

    This review is about modules: 1, capacity: 4 GB

    I installed it on a Synology ds224+ NAS without any issues in the operation of the machine.
    There is nothing that leads you to consider getting the company's official proposal. It's great!!!

    Translated from Greek ·
    • Ease of installation
    • Operational stability
    Did you find this review helpful?
  • BLITZ0303
    5
    2 out of 2 members found this review helpful
    BLITZ0303

    Verified purchase

    This review is about modules: 1, capacity: 4 GB

    It was used for an upgrade on Synology DS224+, no issues in operation, no compatibility message.

    Translated from Greek ·
    • Ease of installation
    • Operational stability
    Did you find this review helpful?
  • zeronero
    5
    1 out of 1 members found this review helpful
    zeronero

    Verified purchase

    This review is about modules: 1, capacity: 4 GB

    In Synology DS220+ with DSM 7.2.1-69057 Update 1, it worked without any messages or anything else.
    I hope it will continue like this.

    Translated from Greek ·
    • Ease of installation
    • Operational stability
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  • Andrew_Gaming
    5
    1 out of 1 members found this review helpful
    Andrew_Gaming

    I upgraded my laptop from 1 x 4 = 4gb to 2 x 4 = 8gb RAM. These specific RAM memories are worth it and everything runs smoothly. Overall, I am satisfied.

    Translated from Greek ·
    • Ease of installation
    • Operational stability
    Did you find this review helpful?
  • JonathanG
    5
    2 out of 2 members found this review helpful
    JonathanG

    Verified purchase

    Upgrade to a workstation laptop and they work just fine.

    Translated from Greek ·
    • Ease of installation
    • Operational stability
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  • bserem
    5
    3 out of 3 members found this review helpful
    bserem

    Verified purchase

    This review is about modules: 1, capacity: 4 GB

    Used on Synology NAS DS220+. It has been in use for 18 months without any issues and allows the NAS to run Docker services smoothly.

    EDIT: With this DSM, it does not display the "incompatible memory" message. On a second DS220+ where I installed a Kingston, it works but displays an incompatible memory message in the alerts. So if you are looking for one, Crucial is probably better, at least with DSM 7.1

    Translated from Greek ·
    • Ease of installation
    • Operational stability
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  • koskit
    5
    7 out of 7 members found this review helpful
    koskit

    Verified purchase

    This review is about modules: 1, capacity: 4 GB

    Used on DS920+ -> https://www.skroutz.gr/s/24110424/Synology-DiskStation-DS920.html

    Works without any issues. This particular model is not supported by Synology, so be aware that if you encounter a problem and need their support, the first thing they will tell you is to remove the RAM because it is not compatible. If the problem persists, THEN they will investigate it.

    But there is plenty of support on the internet (especially Reddit) regarding DiskStations. There, they don't automatically assume that the issue is the RAM and they will actually help you if there is a problem.

    In general, during the 6 months of using the DS920+, this specific RAM has not caused any issues, let alone issues that required assistance from Synology Support. So, go ahead and get it without a second thought.

    Update: After 1.5 years of use, the NAS is still working perfectly fine. Rest assured if you use it for this purpose.

    Translated from Greek ·
    • Ease of installation
    • Operational stability
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  • giannis.plt164
    5
    3 out of 3 members found this review helpful
    giannis.plt164

    Verified purchase

    This review is about modules: 1, capacity: 4 GB

    I put it in an HP PAVILION X360 laptop, from 4 RAM it became 8 RAM.
    It had a different brand of RAM inside the laptop, but there was no problem, everything works perfectly

    Translated from Greek ·
    • Ease of installation
    • Operational stability
    Did you find this review helpful?
  • Skroutzshop
    5
    11 out of 11 members found this review helpful
    Skroutzshop

    Verified purchase

    This review is about modules: 1, capacity: 4 GB

    I have nothing to add nor anything to remove. It simply does what anyone expects from a memory upgrade. Specifically, it was installed to expand the memory on the Synology DS420+ as the initial 2GB it had reached high usage percentages, resulting in strain on the disk operation among other things. After the addition, it was immediately recognized, the memory usage percentage dropped significantly and ranges between 9% - 15%, while at the same time the overall operation of the machine was stabilized. I hope this continues to happen for many years so that ... they live well and others even better.

    Translated from Greek ·
    • Ease of installation
    • Operational stability
    Did you find this review helpful?
  • mery1234
    5
    5 out of 5 members found this review helpful
    mery1234
    This review is about the modules: 1

    The memory is very good, I installed it on a Dell Inspiron 3583 from 8GB to 16GB. The FPS increased by 10 in all games, applications and multitasking programs run beautifully, but my laptop completely changed.... I recommend it!

    Translated from Greek ·
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  • Invincible Thanos
    5
    3 out of 4 members found this review helpful
    Invincible Thanos
    This review is about the modules: 1

    Excellent memory. It runs smoothly (without overclocking, of course) at 2666 Mhz on Dell Inspiron 3493 14''.

    Translated from Greek ·
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  • eleftheriou
    4
    6 out of 9 members found this review helpful
    eleftheriou
    Expert user
    This review is about the modules: 1

    Excellent quality but...
    You won't see clock speed at 2666 MHz in almost any laptop since the memory runs at 2400 MHz.
    To see 2666, you need to overclock the memory through XMP profile, which is impossible in 95% of laptops.
    It is unacceptable that Crucial, being a top company in RAM memory, sells 2666 MHz memory that requires overclock settings to reach this frequency...

    Translated from Greek ·
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  • 5
    vilias

    Verified purchase

    This review is about modules: 1, capacity: 4 GB

    It does what it promises, it is both cheap and good

    Translated from Greek ·
    • Ease of installation
    • Operational stability
    Did you find this review helpful?
  • 5
    1 out of 1 members found this review helpful
    aroutis

    Verified purchase

    This review is about modules: 1, capacity: 4 GB

    Installation on NAS Synology DS920+.
    No problem, no warning. Everything is fine.

    Translated from Greek ·
    • Ease of installation
    • Operational stability
    Did you find this review helpful?
  • 4
    maria_koykala

    Verified purchase

    This review is about modules: 1, capacity: 4 GB

    It's worth its money

    Translated from Greek ·
    • Ease of installation
    • Operational stability
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  • 5
    DarK_HumOuR

    Verified purchase

    This review is about modules: 1, capacity: 4 GB

    It worked perfectly with the QNAP TS-251 NAS Server. Highly recommended

    Translated from Greek ·
    • Ease of installation
    • Operational stability
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  • 5
    1 out of 1 members found this review helpful
    Διαμαντόπουλος Κυριάκος

    Verified purchase

    This review is about modules: 1, capacity: 4 GB

    It was installed on a Synology DS220+ NAS

    Translated from Greek ·
    • Ease of installation
    • Operational stability
    Did you find this review helpful?
  • 5
    2 out of 2 members found this review helpful
    andreadi

    Verified purchase

    This review is about modules: 1, capacity: 4 GB

    Works great on Synology 920+

    Translated from Greek ·
    • Ease of installation
    • Operational stability
    Did you find this review helpful?
  • 5
    0 out of 1 members found this review helpful
    Leo_B96

    Verified purchase

    This review is about the modules: 1

    It had the expected result during the upgrade. No problem at all!

    Translated from Greek ·
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  • 5
    3 out of 4 members found this review helpful
    ntgr82

    Verified purchase

    This review is about the modules: 1

    It was purchased for a laptop that already had 8 GB of RAM, it works perfectly with the other stick in dual channel

    Translated from Greek ·
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  • 4
    0 out of 6 members found this review helpful
    tsakali73

    Verified purchase

    This review is about the modules: 1

    I didn't see a big difference. Maybe the Memory doesn't have much to do with it.

    Translated from Greek ·
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  • 5
    1 out of 2 members found this review helpful
    angelstoxx
    This review is about the modules: 1

    Installation on mac mini 2018. Absolutely no problem, the machine is flying

    Translated from Greek ·
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  • 5
    0 out of 1 members found this review helpful
    Serious Shopper

    Verified purchase

    This review is about the modules: 1

    Super memory, very fast and abundant with a lifetime guarantee

    Translated from Greek ·
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  • 4
    Dimitris_Liaros

    Verified purchase

    This review is about the modules: 1

  • 5
    Σαββας Φ.

    Verified purchase

  • 5
    John P

    Verified purchase

    This review is about modules: 1, capacity: 4 GB

  • 5
    mitsiou1973

    Verified purchase from Techstores

    This review is about modules: 1, capacity: 4 GB

  • 5
    Draganisv

    Verified purchase

    This review is about modules: 1, capacity: 4 GB

    • Ease of installation
    • Operational stability
  • 5
    Asterios_Giannakoudis

    Verified purchase

    This review is about modules: 1, capacity: 4 GB

    • Ease of installation
    • Operational stability
  • 5
    lefteriskama

    Verified purchase

    This review is about modules: 1, capacity: 4 GB

    • Ease of installation
    • Operational stability

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35
4.8
35 reviews
96
4.9
96 reviews
0.0
14
5.0
14 reviews
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