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Green 260-pin DDR4 SO-DIMM module with black chips

Kingston Technology Corp.

Kingston Technology Corp. KCP426SD8/16 16GB DDR4 2666 laptop RAM

SKU CH-WNPX-Z0PQ0 MPN KCP426SD8/16

A 16 GB DDR4 SO-DIMM running at 2666 MHz with CL19 timing and 1.2 V operation

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Memory timings19-19-19
  • Rated voltage1.2 V
  • ECC supportChipkill
  • 16 GB DDR4 capacity boosts multitasking headroom
  • 2666 MHz DDR4 speed accelerates data throughput
  • CL19 latency tightens response timing
  • 20 V operation reduces power draw
  • 260-pin SO-DIMM form factor fits standard laptop slots

16 GB DDR4 SO-DIMM for laptop upgrades

This single 16 GB module uses 260-pin DDR4 SO-DIMM form factor and runs at 2666 MHz with CL19 timings. It operates at 1.20 V and is unbuffered with ECC Chipkill error correction. The Elite series stick targets owners of compatible Dell notebooks who need more memory capacity.

Lightweight design and environmental certifications

The module weighs less than standard sticks and carries RoHS 2, REACH, ECHA, PFOS, WEEE and Taiwan RoHS certifications. These marks confirm restricted-substance compliance but do not change electrical performance. No software, drivers or extra accessories are included in the package.

Verify 260-pin DDR4 slot and 2666 MHz support

Check that your laptop accepts a 260-pin DDR4 SO-DIMM and can run memory at 2666 MHz (PC4 21300). Confirm the board works with unbuffered, ECC Chipkill modules at 1.20 V. Systems limited to lower speeds or non-ECC memory will not benefit from this stick. Buyers needing multiple modules or higher frequencies should look elsewhere.

How it compares

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

Price $38.99
Cheaper than about 66% of the 2,079 comparable items (median $70.99).
Total capacity 16 GB
Typical for this category: the median of 1,886 items is 16 GB.
Price per GB $2.44 per GB
Cheaper than about 94% 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 nameKingston
Product lineElite
Model nameKCP426SD8/16
Part numberKCP426SD8/16
Total capacity16 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
Memory timings19-19-19
ECC supportChipkill
Buffer typeUnbuffered
Power
Rated voltage1.2 V
Size & build
Shipping weight0.09 kg
Package size178 × 102 × 5 mm

Questions about this item

Will the CL19 timings or 1.20V voltage require any adjustment or replacement down the line?

The module runs at standard DDR4 2666 CL19 1.20V with no user-serviceable parts, so no maintenance or replacement is expected during its service life.

What limit appears first when the memory runs at 2666 MHz continuously in a laptop?

Sustained operation is constrained by the SO-DIMM's 1.20V rating and CL19 latency; thermal throttling in the notebook chassis typically becomes the first bottleneck.

How much heat and power does a single 16GB stick draw during all-day use?

At 1.20V the module draws minimal power and generates little heat; actual thermals depend on the laptop's cooling design rather than the memory itself.

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