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

A-Tech

A-Tech 8GB DDR4 2666MHz CL19 1.2V Desktop RAM HP 3PL81AA 3PL81AT 3TK87AA 3TK87AT 3TK87TA

SKU CH-WFHP-1CT53

8GB DDR4 2666MHz CL19 1.2V desktop DIMM for HP part numbers 3PL81AA, 3PL81AT, 3TK87AA, 3TK87AT, 3TK87TA, 933276-001 and P06772-001

  • Capacity8GB
  • SpeedDDR4 2666 (PC4 21300)
  • Tested Frequency2666
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCNo
  • 8GB capacity lets you run more programs at once
  • 2666MHz DDR4 speed moves data quickly through the system
  • CL19 latency keeps response times tight for everyday tasks
  • 2V standard voltage reduces power draw and heat
  • 288-pin DIMM fits compatible HP desktop motherboards

8GB DDR4 2666MHz Desktop Module

This single 8GB DDR4 DIMM runs at 2666MHz with CL19 latency and 1.20V operation. It is built as a direct replacement for HP part numbers 3PL81AA, 3PL81AT, 3TK87AA, 3TK87AT, 3TK87TA, 933276-001 and P06772-001. The unbuffered non-ECC design suits standard desktop motherboards that accept 288-pin DDR4 memory.

Sustained-load behaviour with Major Brand Chips

The module uses Major Brand Chips tested to meet PC4-21300 specifications at the rated frequency. Under continuous workloads the standard 1.20V voltage and CL19 timing maintain stable data rates without exceeding the DDR4 JEDEC voltage envelope. No ECC or registered buffering is present, so error correction relies on the platform memory controller.

Straightforward 288-pin DIMM installation

Align the notch on the 288-pin edge connector with the motherboard slot key and press firmly until the retention clips engage. The most common issue is a partially seated module that causes a no-post condition; reseating usually resolves it. Verify the system supports DDR4 2666MHz unbuffered non-ECC DIMMs before purchase to avoid compatibility mismatches.

Points forts

  • 8GB capacity lets you run more programs at once
  • 2666MHz DDR4 speed moves data quickly through the system
  • CL19 latency keeps response times tight for everyday tasks
  • 2V standard voltage reduces power draw and heat
  • 288-pin DIMM fits compatible HP desktop motherboards

Caractéristiques

BrandA-Tech
Capacity8GB
SpeedDDR4 2666 (PC4 21300)
Tested Frequency2666
CAS LatencyCL19
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor Brand Chips
FeaturesMajor Brand Chipset
Recommend UseAMD & Intel Compatible

Questions sur cet article

Does the 1.2 V DDR4 module run hot or noisy during all-day use?

The 1.2 V DDR4 DIMM operates at standard voltage without active cooling, so it produces no fan noise and only minimal heat during continuous operation.

What must my desktop already have to accept this 288-pin DDR4 stick?

Your motherboard needs a free DDR4 DIMM slot supporting 2666 MHz PC4-21300 unbuffered non-ECC memory at 1.2 V.

Will this CL19 2666 MHz module work alongside my existing DDR4 memory?

Yes, it will run alongside other DDR4 DIMMs; the system will match the lowest common speed and highest latency among installed modules.

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