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Green rectangular DDR4 DIMM with black chips and gold contacts

A-Tech

A-Tech 4GB DDR4 2666MHz CL19 1Rx16 HP 3TK85AA 3TK85TA Desktop RAM

SKU CH-TG1D-WF0H7

4GB DDR4 2666MHz CL19 desktop DIMM with 1.2V operation and major-brand chips, compatible with HP 3TK85AA and 3TK85TA systems

  • Capacity4GB
  • SpeedDDR4 2666 (PC4 21300)
  • Tested Frequency2666
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCNo
  • 4GB capacity expands multitasking headroom for everyday workloads
  • DDR4 2666MHz speed matches PC4-21300 system requirements
  • CL19 latency at 1.20V keeps power draw low
  • 288-pin unbuffered DIMM fits standard desktop slots
  • Major-brand chips tested for reliable operation

4GB DDR4 2666MHz Desktop Module

This 4GB DDR4 2666MHz CL19 desktop DIMM uses 1Rx16 unbuffered chips at 1.20V. It is a non-ECC replacement for HP part numbers 3TK85AA and 3TK85TA. The 288-pin module installs in standard desktop memory slots.

Who Should Use This

Suits owners of compatible HP desktops needing a single 4GB stick to match factory specifications. Systems requiring ECC, registered DIMMs, SODIMM form factors, or speeds beyond 2666MHz should select a different module.

Deciding Specification

The 1Rx16 CL19 timing at 2666MHz determines if this module matches your motherboard's supported memory configuration. Verify your system accepts this exact density and latency before ordering.

Points forts

  • 4GB capacity expands multitasking headroom for everyday workloads
  • DDR4 2666MHz speed matches PC4-21300 system requirements
  • CL19 latency at 1.20V keeps power draw low
  • 288-pin unbuffered DIMM fits standard desktop slots
  • Major-brand chips tested for reliable operation

Caractéristiques

BrandA-Tech
Capacity4GB
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

Will this 288-pin DDR4 DIMM fit my HP desktop that uses the 3TK85AA part number?

Yes, the module is listed as a compatible equivalent for HP 3TK85AA and 3TK85TA, so it matches the required DDR4 DIMM form factor.

My motherboard only supports 1.2 V memory — is this module within that limit?

The module operates at the standard DDR4 voltage of 1.20 V, which matches the 1.2 V requirement.

I need non-ECC unbuffered memory for my consumer desktop — does this product meet that requirement?

It is specified as Non-ECC UDIMM (Unbuffered DIMM), which is the correct type for standard consumer desktop boards.

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