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Green rectangular DDR4 DIMM module with black chips no heat spreader 288 pins

A-Tech

A-Tech 8GB DDR4 2666MHz CL19 Desktop RAM for HP L40877-800 L21495-001

SKU CH-8QCK-KW5HT

An 8 GB DDR4 2666 MHz desktop DIMM with CL19 latency and 1.2 V operation, built as a compatible replacement for HP part numbers L40877-800 and L21495-001

  • Capacity8GB
  • SpeedDDR4 2666 (PC4 21300)
  • Tested Frequency2666
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCNo
  • 8GB capacity lets you run more apps at once with a single 8GB module
  • 2666MHz DDR4 speed moves data quickly at PC4-21300 bandwidth
  • CL19 latency keeps response tight for everyday desktop workloads
  • 20V standard voltage reduces power draw and heat in compatible HP systems
  • 288-pin unbuffered DIMM fits HP L40877-800 and L21495-001 slots directly

8 GB DDR4 2666 MHz desktop module

This 8 GB DDR4 2666 MHz DIMM is built as a direct replacement for HP part numbers L40877-800 and L21495-001. It targets owners of compatible HP desktops who need a straightforward memory upgrade without ECC or registered buffering.

Single stick with standard voltage

The module arrives as a single 8 GB stick running at 1.2 V with CL19 latency. No heat spreader is included, and no extra software or cables are bundled, so the only change is the added capacity at the rated 2666 MHz speed.

288 pin unbuffered DIMM for everyday installs

The 288 pin unbuffered DIMM fits standard desktop slots and uses major brand chips tested for reliability. Its plain green PCB and lack of a spreader keep height low, making it practical for tight chassis or dense memory banks.

Puntos fuertes

  • 8GB capacity lets you run more apps at once with a single 8GB module
  • 2666MHz DDR4 speed moves data quickly at PC4-21300 bandwidth
  • CL19 latency keeps response tight for everyday desktop workloads
  • 20V standard voltage reduces power draw and heat in compatible HP systems
  • 288-pin unbuffered DIMM fits HP L40877-800 and L21495-001 slots directly

Especificaciones

BrandA-Tech
SeriesCompatible Replacement for HP
ModelL40877-800, L21495-001
Capacity8GB
SpeedDDR4 2666 (PC4 21300)
Tested Frequency2666
CAS LatencyCL19
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor Brand Chipset
Heat SpreaderNo
FeaturesL40877-800, L21495-001
Recommend UseCompatible Replacement for HP L40877-800, L21495-001

Preguntas sobre este artículo

Does the 8 GB DDR4 2666 MHz CL19 module have any user-replaceable parts?

The module is a sealed 288-pin DIMM with no heat spreader and no user-serviceable components; replacement means installing another identical stick.

What limits sustained throughput on this DDR4 2666 CL19 stick?

The JEDEC-standard 2666 MT/s data rate and CL19 latency set the ceiling; the memory controller cannot push beyond those timings.

How much heat and power does the 1.2 V DDR4 2666 module produce during all-day use?

At the standard 1.2 V the stick draws minimal power and runs cool enough that no heat spreader is required for continuous operation.

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