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Green rectangular circuit board with black memory chips and gold edge connectors

Kingston Technology Corp.

Kingston Technology Corp. KCP426SS6/8 8GB DDR4 2666 CL19 laptop RAM

SKU CH-A62N-PX2DQ MPN KCP426SS6/8

8 GB DDR4 SO-DIMM laptop memory running at 2666 MT/s with CL19 latency and 1.20 V operation

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Product type260-Pin DDR4 SO-DIMM
  • 8 GB capacity expands multitasking headroom
  • DDR4 2666 speed supports faster data throughput
  • CL19 latency balances timing with stability
  • 20 V operation reduces power draw
  • 260-pin SO-DIMM fits standard laptop slots

8GB DDR4 SO-DIMM for laptop upgrades

This 260-pin module delivers 8GB of DDR4 2666 memory at CL19 latency. It runs at the standard 1.20V and is unbuffered with no ECC. The stick has no heat spreader, keeping the profile low for tight chassis. It suits owners adding capacity to a compatible notebook.

Steady throughput at rated speed

Under sustained load the module operates at its specified 2666 MT/s with CL19 timings. Unbuffered layout means the memory controller talks directly to the DRAM without a register step. Performance stays consistent because the JEDEC voltage and timings are fixed. No overclock headroom is implied by the specifications.

Low voltage and silent operation

At 1.20V the module draws minimal power and produces no audible noise. Without a heat spreader it relies on the laptop's internal airflow, which is typical for SO-DIMM form factors. The low voltage also helps battery runtime during everyday workloads. Thermals remain within normal DDR4 limits for this density.

How it compares

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

Price $19.99
Cheaper than about 87% of the 2,079 comparable items (median $70.99).
Total capacity 8 GB
Lower than about 60% of the 1,886 comparable items (median 16 GB).
Price per GB $2.50 per GB
Cheaper than about 93% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameKingston
Model nameKCP426SS6/8
Total capacity8 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.2 V
Size & build
Shipping weight0.09 kg
Package size127 × 102 × 5 mm

Questions about this item

Does the 1.20V DDR4 2666 module run cool and quiet during all-day workloads?

The module operates at the standard 1.20V DDR4 voltage with no heat spreader, so it produces minimal heat and makes no noise during continuous use.

Will this 260-pin SO-DIMM fit my laptop without extra parts?

It fits any laptop slot that accepts a 260-pin DDR4 SO-DIMM; no adapters, brackets or additional components are required.

Can I pair this CL19 2666 stick with slower DDR4 memory already in my system?

Yes, the module will downclock to match the speed and latency of the existing DDR4 memory while maintaining 1.20V operation.

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