Pulled from lightly used machines, Samsung 64GB DDR4 2666 mhz 288-pin ECC REG 288PIN Desktop Server RAM. Samsung model number is M386A8K40BM2-CTD6Q or CTD7Q.

This module should be compatible in your system as long as it supports DDR4 ECC Registered desktop/server RAM - Compatible with most HP, Dell, and IBM Servers. Not compatible with normal Desktop PCs. Please double check your machine's compatibility and refer to the guidelines below..

Tested and guaranteed to work. It is your responsibility to make sure this DDR4 ECC Registered RAM works in your system. If you have any doubts, please send us a message and we can try checking for you. 

Item Specifications:

Form Factor

LRDIMM

Kit Qty

64GB (1x 64GB)

Technology

DDR4-2666

Error Correction Code

ECC Registered

SpeedPC4-21300V-L
Height

STD

Rank

4Rx4

Voltage

1.2V

CAS LatencyCL19
Pins

288


Let me know if you have any questions.

Thanks for looking!
Returns: To qualify for a free return all items must be in unused condition.

New items must be unused and in new (sealed if applicable)
Used items must be unused as well. I.e. SSDs have no additional data written. 
A restocking fee will apply for any signs of usage.

International Policy
Returns are NOT accepted for international transactions - so please check compatibility carefully
If shipped directly by us, you may be charged custom fees or duties by your country in order to accept the package (fees varies by Country). Items delivered by GSP will not have these fees during delivery.
General Compatibility Rules
Compatible with:
  1. Some Intel Xeon CPUs
  2. Some AMD Threadripper CPUs
  3. None for Intel consumer CPUs
  4. None for AMD Ryzen CPUs
*Note: We say 'some' Intel Xeon and AMD Threadripper CPUs as it also depends on the motherboard or setup as a whole - please double check your setup is compatbile with ECC RDIMM. 

General Types of ECC RAM:
  1. ECC Registered - RDIMM ECC (This listing)
  2. ECC Unbuffered - UDIMM ECC
  3. Non-ECC Unbuffered - UDIMM Non-ECC
*Motherboards that support #1 never support #2 or #3. On the other hand, motherboards that support #2 will also work with #3; but they will never work with #1.