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Crucial 8GB (1x 8GB) 2666MHz DDR4 RAM

CCL Code: RAM3787
Manufacturer Code: CT8G4DFS8266
Manufacturer: Crucial
Crucial   8GB (1x 8GB) 2666MHz DDR4 RAM

Key Features:

  • Voltage: 1.2V
  • Latency Timing: CL19
  • Speed: 2666MHz (PC4-21300)
  • 1 x 8GB UDIMM Memory
  • non-ECC Unbuffered Memory


Sorry, this product has been discontinued. We have found some similar products below.

In the ever-changing world of technology, any component more than half a decade old is usually in need of an update. At seven years old and counting, that's exactly the state DDR3 memory is in: computers can only do so much with it. Since the introduction of DDR3 memory technology in 2007, processors have doubled in capability, SSDs have revolutionized throughput, and graphics cards have drastically increased frame rates, leaving memory as a limiting factor. With Crucial DDR4 Desktop Memory, crush the DDR3 memory bottleneck and unlock a new standard of performance.

Main Features

  • Speeds start at 2133 MT/s and faster data rates are expected to be available as DDR4 technology matures
  • Increase bandwidth by up to 32%
  • Reduce power consumption by up to 40%
  • Faster burst access speeds for improved sequential data throughput
  • Optimized for next generation processors and platforms
  • Available in four channel kits up to 64GB
  • Limited lifetime warranty


Memory Size 8 GB
Memory Type DDR4
Memory Speed 2666MHz
Designation PC4-21300
Memory Chip Features Single Rank
Memory Size (Total) 8 GB
Number of Modules 1 module(s)
Memory Size (Individual) 8 GB
Pin Configuration 288 pins
Memory Package UDIMM
Bus I/O Configuration Unbuffered
Error Correction No
CAS Latency CL19


Voltage 1.2 V


Form Factor DDR4 Desktop Memory
In The Box 1 x 8GB DDR4 UDIMM


Warranty Limited lifetime

Key Features

Individual Module Size 8192 MB
Main Colour Green
Memory Modules Kit Size 1
Memory Standard PC4-21300
Memory CAS 19
Memory Voltage 1.2 V
Memory ECC No
Memory Buffered No
XMP Support No

Item Details

Manufacturer Crucial
Manufacturer Code CT8G4DFS8266
EAN 0649528780010
Condition New

Warranty Information

Warranty Limited lifetime

Manufacturer Information

Manufacturer Crucial
Manufacturer Code CT8G4DFS8266

Do you have you a question about the Crucial 8GB Memory Module PC4-21300 2666MHz DDR4 Unbuffered Non-ECC CL19 288-pin UDIMM (Single Ranked)?

Q: is this compatible with samsung pc4-266v-ua2-11 ram m378a1k43cb2-ctd?
Answer by Website User on 31st March 2020
I don't see any reason why it wouldn't be. -MR
0 customers found this answer helpful.
Post Answer
4 / 5 4 reviews


June 2020

Good value and no issues. Thank you!

John J

June 2020

Cheap- but great quality. Great performance.

Philip L

June 2020

I bought 2 identical modules to benefit from dual channel. Easy to fit and they work perfectly. Good price too.

Wayne Godley

May 2020

value ddr4 ram performs better than expected