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Crucial CT16G4RFD8266 16GB DDR4 2666 288-Pin CL19 2Rx8 ECC Registered DIMM Memory

In stock.
Ships from China.
Most customers receive within 10-32 days.
  • DDR4 2666 (PC4 21300)
  • ECC Registered
  • CAS Latency 19
Crucial 16GB DDR4 2666 DIMM Memory CT16G4RFD8266
The fast, easy way to improve your desktop’s performance

There’s an easy cure for a slow computer: more memory. Designed to help your system run faster and smoother, Crucial Desktop 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 desktop’s multitasking capabilities.

Crucial 16GB DDR4 2666 DIMM Memory CT16G4RFD8266
Make everything on your computer faster

The amount of memory in your system plays a critical role in the speed of loading apps, browsing the internet, and editing a spreadsheet. Add more memory for faster performance.

Crucial 16GB DDR4 2666 DIMM Memory CT16G4RFD8266
Multitask with ease

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.

Crucial 16GB DDR4 2666 DIMM Memory CT16G4RFD8266
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.

Crucial 16GB DDR4 2666 DIMM Memory CT16G4RFD8266
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 desktop by giving it the resources it needs to perform.

Crucial 16GB DDR4 2666 DIMM Memory CT16G4RFD8266
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.

Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): Lifetime
  • Limited Warranty period (labor): Lifetime
  • Read full details

Return Policies

  • Return for refund within: 60 days
  • Return for replacement within: 30 days
  • This item is covered by TopMemory Return Policy