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Samsung M471A1K43CB1-CTD 8GB DDR4 PC4-21300, 2666MHZ, 260 PIN SODIMM, 1.2V, CL 19 laptop ram memory module

Samsung M471A1K43CB1-CTD 8GB DDR4 PC4-21300, 2666MHZ, 260 PIN SODIMM, 1.2V, CL 19 laptop ram memory module

Bottom line: The Samsung M471A1K43CB1-CTD 8GB DDR4 PC4-21300: DDR4-2666 (PC4-21300) speed for mainstream laptop upgrades; main trade-off: 8GB single module is tight for heavy multitasking in 2026.

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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.

Pros & Cons

Pros

  • ✓ DDR4-2666 (PC4-21300) speed for mainstream laptop upgrades
  • ✓ 1.2V low-voltage DDR4 runs cooler than DDR3L modules
  • ✓ Standard 260-pin SODIMM fits most 2016+ laptops and mini PCs
  • ✓ Samsung-branded module part M471A1K43CB1-CTD for exact-match replacement

Cons

  • ✗ 8GB single module is tight for heavy multitasking in 2026
  • ✗ CL19 latency is looser than CL16 enthusiast DDR4 kits
  • ✗ Sold as one stick, so dual-channel needs a second purchase
  • ✗ 260-pin SODIMM will not fit desktop DIMM slots or DDR5 laptops

Manufacturer description

M471A1K43CB1-CTD

SpecPicks Verdict

SpecPicks scored Samsung M471A1K43CB1-CTD 8GB DDR4 PC4-21300 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.

Key Features

  • M471A1K43CB1-CTD

Full Specifications

BrandSamsung
Voltage1.2 volts
RAM Size8 GB
Model NameM471A1K43CB1-CTD
Form FactorSO-DIMM
Memory Speed2666 MHz
Model NumberM471A1K43CB1-CTD
Number of Pins260
Mfr Part NumberM471A1K43CB1-CTD
Memory GenerationDDR4
Compatible DevicesLaptop
Data Transfer Rate2666 MHz
Memory Form FactorSODIMM
Additional FeaturesLightweight
Computer Memory Size8 GB
RAM Memory TechnologyDDR4
Column Address Strobe Latency19

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Samsung M471A1K43CB1-CTD 8GB DDR4 PC4-21300, 2666MHZ, 260 PIN SODIMM, 1.2V, CL 19 laptop ram memory module 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.

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