ECC Type=NonECC, Form Factor=UDIMM, Pin Count=288pin, PC Speed=PC421300, Voltage=1.2V, Rank and Configuration=2Rx8. Micron quality and reliability is backed by superior component and module level testing and 42 years of memory expertise. Compatibility assurance when using the Crucial System Scanner or Crucial Advisor Tool. Install with ease; no computer skills required. Howto guides available at Crucial. Improve your system's responsiveness, run apps faster and multitask with ease.
ECC Type=NonECC, Form Factor=UDIMM, Pin Count=288pin, PC Speed=PC421300, Voltage=1.2V, Rank and Configuration=2Rx8. Micron quality and reliability is backed by superior component and module level testing and 42 years of memory expertise. Compatibility assurance when using the Crucial System Scanner or Crucial Advisor Tool. Install with ease; no computer skills required. Howto guides available at Crucial. Improve your system's responsiveness, run apps faster and multitask with ease.
ECC Type=NonECC, Form Factor=UDIMM, Pin Count=288pin, PC Speed=PC421300, Voltage=1.2V, Rank and Configuration=2Rx8. Micron quality and reliability is backed by superior component and module level testing and 42 years of memory expertise. Compatibility assurance when using the Crucial System Scanner or Crucial Advisor Tool. Install with ease; no computer skills required. Howto guides available at Crucial. Improve your system's responsiveness, run apps faster and multitask with ease.
ECC Type=NonECC, Form Factor=UDIMM, Pin Count=288pin, PC Speed=PC421300, Voltage=1.2V, Rank and Configuration=2Rx8. Micron quality and reliability is backed by superior component and module level testing and 42 years of memory expertise. Compatibility assurance when using the Crucial System Scanner or Crucial Advisor Tool. Install with ease; no computer skills required. Howto guides available at Crucial. Improve your system's responsiveness, run apps faster and multitask with ease.
Last updated at 05/12/2026 16:18:58
Crucial 64GB (2x32GB) CT2K32G4DFD8266 2666MHz CL19 DDR4 RAM
30-day returns
Crucial 64GB Kit (2x 32GB) DDR4 2666MHz Desktop Memory CT2K32G4DFD8266
Free delivery between 15–20 May
originally posted on crucial.com
The memory works every time! Great product.
originally posted on crucial.com
Easy to install and works well just like memory should.
originally posted on crucial.com
Upgraded memory in one of my computers. The additional memory made a big performance difference.
| Memory voltage | 1.2 V |
| Buffered memory type | Unregistered (unbuffered) |
| Memory layout (modules x size) | 2 x 32 GB |
| Internal memory | 64 GB |
| Component for | PC/server |
Crucial 64GB (2x32GB) CT2K32G4DFD8266 2666MHz CL19 DDR4 RAM
30-day returns
Crucial 64GB Kit (2x 32GB) DDR4 2666MHz Desktop Memory CT2K32G4DFD8266
Free delivery between 15–20 May
The memory works every time! Great product.
Easy to install and works well just like memory should.
Upgraded memory in one of my computers. The additional memory made a big performance difference.
I have been purchasing Crucial memory for years and I have never had a problem. These are the same. Installed them and they work.
| Memory voltage | 1.2 V |
| Buffered memory type | Unregistered (unbuffered) |
| Memory layout (modules x size) | 2 x 32 GB |
| Internal memory | 64 GB |
| Component for | PC/server |
