Skip to main content
SAMSUNG 8GB DDR4 PC4-21300 2666MHz 288 PIN UDIMM 1.2V CL 19 Desktop ram Memory Module M378A1K43DB2-CTD

SAMSUNG 8GB DDR4 PC4-21300 2666MHz 288 PIN UDIMM 1.2V CL 19 Desktop ram Memory Module M378A1K43DB2-CTD

Bottom line: The SAMSUNG 8GB DDR4 PC4-21300 2666MHz 288 PIN UDIMM 1.2V CL 19 Desktop: 8GB DDR4-2666 (PC4-21300) for solid mainstream desktop bandwidth; main trade-off: single 8GB stick; heavy multitaskers may want 16GB+.

Check price on Amazon

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Mike Perry — Hardware researcher since 2014. For desktop and laptop memory upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ 8GB DDR4-2666 (PC4-21300) for solid mainstream desktop bandwidth
  • ✓ Standard 288-pin UDIMM fits common ATX/mATX motherboard slots
  • ✓ Low 1.2V DDR4 operation runs cooler and more power-efficient
  • ✓ Samsung-made module M378A1K43DB2-CTD for exact part matching

Cons

  • ✗ Single 8GB stick; heavy multitaskers may want 16GB+
  • ✗ CL19 timing is looser than tuned enthusiast kits
  • ✗ Unbuffered non-ECC; not suited to ECC servers or workstations
  • ✗ Bare green PCB with no heatspreader

Manufacturer description

SAMSUNG 8GB DDR4 PC4-21300 2666MHz 288 PIN UDIMM 1.2V CL 19 Desktop ram Memory Module M378A1K43DB2-CTD

SpecPicks Verdict

SpecPicks scored SAMSUNG 8GB DDR4 PC4-21300 2666MHz 288 PIN UDIMM 1.2V CL 19 Desktop… 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 Size16 GB
Model NameM378A1K43Db2
Form FactorDIMM
Memory Speed1600 MHz
Model NumberM378A1K43DB2-CTD
Number of Pins288
Mfr Part NumberM378A1K43DB2-CTD
Memory GenerationDDR4
Compatible DevicesDesktop
Data Transfer Rate2666 MHz
Memory Form FactorDIMM, UDIMM
Additional FeaturesLightweight
Computer Memory Size16 GB
RAM Memory TechnologyDDR4
Column Address Strobe Latency19

Ready to buy?

SAMSUNG 8GB DDR4 PC4-21300 2666MHz 288 PIN UDIMM 1.2V CL 19 Desktop ram Memory Module M378A1K43DB2-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.

Check price on Amazon →

Related Memory (RAM)

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →