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Green rectangular DDR4 SO-DIMM module with black memory chips and gold edge connector

SAMSUNG

Samsung 8GB DDR4-2666 SO-DIMM CL19 1.2V 260-Pin M471A1K43DB1-CTD

SKU CH-YZYQ-N8CNX

Adds 8 GB of DDR4-2666 laptop memory with CL19 timing and 1.2 V operation

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Memory timings19-19-19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered / Unregistered
  • 8 GB capacity adds responsive multitasking headroom
  • DDR4-2666 speed delivers 21300 MB/s peak bandwidth
  • CL19 19-19-19 timings keep latency predictable
  • 2 V operation reduces power draw and heat
  • 260-pin SO-DIMM fits standard laptop memory slots

8GB DDR4-2666 SO-DIMM for laptop upgrades

This Samsung module delivers 8 GB of DDR4 memory at 2666 MT/s with CL19 timings. It uses the standard 260-pin SO-DIMM form factor and operates at 1.20 V. The stick is unbuffered and non-ECC, making it a direct fit for compatible laptop slots.

Suits owners adding a single 8 GB stick to a DDR4

The module works in systems that accept 260-pin DDR4 SO-DIMMs at 1.20 V without ECC or registered buffers. Buyers needing ECC error correction or registered signal buffering should look at something else. Systems that require a different pin count or voltage are also not a match.

260-pin DDR4 SO-DIMM form factor decides fit

The 260-pin layout and DDR4 signalling are the single specification that determines whether this module installs in a given laptop. If the machine uses a different pin count or memory generation the part will not seat or function.

How it compares

Measured against everything we stock in Laptop RAM, at today’s prices. Recalculated every night.

Price $63.99
Typical for this category: the median of 2,079 items is $70.99.
Total capacity 8 GB
Lower than about 60% of the 1,886 comparable items (median 16 GB).
Price per GB $8.00 per GB
Pricier than about 70% of the 1,886 comparable items (median $5.94 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSamsung
Total capacity8 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
Memory timings19-19-19
ECC supportNo
Buffer typeUnbuffered / Unregistered
Power
Rated voltage1.2 V

Questions about this item

What is the maximum voltage the Samsung 8GB DDR4-2666 SO-DIMM draws under sustained load?

The module runs at 1.20V, the standard operating voltage for DDR4, so power draw stays at that level even during continuous use.

How much heat does the CL19 1Rx8 module produce when running all day in a laptop?

At 1.2V and 2666 MT/s the unbuffered SO-DIMM generates only modest warmth; no active cooling is required beyond the laptop's normal airflow.

Which slot type must the laptop provide for this 260-pin DDR4 SO-DIMM to work?

It needs a 260-pin DDR4 SO-DIMM socket; the key notch position matches the DDR4 standard.

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