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Samsung 64GB PC4-21300 DDR4-2666V-L Load Reduced 4DRX4 CL19 288 PIN 1.20V Memory Module LRDIMM M386A8K40BM2-CTD

Samsung 64GB PC4-21300 DDR4-2666V-L Load Reduced 4DRX4 CL19 288 PIN 1.20V Memory Module LRDIMM M386A8K40BM2-CTD

Bottom line: The Samsung 64GB PC4-21300 DDR4-2666V-L Load Reduced 4DRX4 CL19 288 PIN is a specs-and-price decision rather than a crowd-consensus one in the memory & ram category, priced around $399.00 on Amazon as of 2026-10-21 04:29 UTC. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$399.00

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Buy on Amazon — $399.00 Compare to similar memory & ram

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

Before you buy

  • Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

Samsung 64GB PC4-21300V-L DDR4-2666 4DRX4 ECC LRDIMM Memory M386A8K40BM2-CTD

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SpecPicks Verdict

SpecPicks scored Samsung 64GB PC4-21300 DDR4-2666V-L Load Reduced 4DRX4 CL19 288 PIN… using a rating × review-volume × price-fit model applied to published specs and reviews across the memory & ram category. Compare with similarly-priced alternatives in the memory & ram category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for memory & ram of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Full Specifications

BrandSamsung
Voltage1.2 volts
RAM Size64 GB
Model NameM386A8K40BM2-CTD
Unit Count1 Count
Form FactorDIMM
Memory Speed2666 MHz
Model NumberM386A8K40BM2-CTD
Number of Pins288
Mfr Part NumberM386A8K40BM2-CTD
Number of Items1
Number of Packs1
Memory GenerationDDR4
Compatible DevicesServer
Data Transfer Rate3330 megabytes_per_second
Memory Form FactorLRDIMM
Additional FeaturesLightweight
Computer Memory Size64 GB
RAM Memory TechnologyDDR4
Column Address Strobe Latency19

Ready to buy?

Samsung 64GB PC4-21300 DDR4-2666V-L Load Reduced 4DRX4 CL19 288 PIN 1.20V Memory Module LRDIMM M386A8K40BM2-CTD is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $399.00

*Price sourced from Amazon.com. Last updated 2026-10-21. Price and availability subject to change.

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Samsung 64GB PC4-21300 DDR4-2666V-L Load Reduced 4DRX4 CL19 288 PIN 1.20V Memory Module LRDIMM M386A8K40BM2-CTD
$399.00
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