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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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
| Brand | Samsung |
|---|---|
| Voltage | 1.2 volts |
| RAM Size | 8 GB |
| Model Name | M471A1K43CB1-CTD |
| Form Factor | SO-DIMM |
| Memory Speed | 2666 MHz |
| Model Number | M471A1K43CB1-CTD |
| Number of Pins | 260 |
| Mfr Part Number | M471A1K43CB1-CTD |
| Memory Generation | DDR4 |
| Compatible Devices | Laptop |
| Data Transfer Rate | 2666 MHz |
| Memory Form Factor | SODIMM |
| Additional Features | Lightweight |
| Computer Memory Size | 8 GB |
| RAM Memory Technology | DDR4 |
| Column Address Strobe Latency | 19 |
Ready to buy?
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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