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Green printed circuit board with black memory chips on both sides, gold edge connector, no heat spreader

A-Tech

A-Tech 16GB DDR4 2666 CL19 desktop RAM 934255-800

SKU CH-YRAT-D3P98

16 GB DDR4 2666 CL19 desktop DIMM built as a compatible replacement for HP 934255-800

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Tested speed2666
  • Rated voltage1.2 V
  • 16 GB capacity handles heavier workloads
  • DDR4 2666 MHz speed accelerates data transfer
  • CL19 latency keeps response times tight
  • 20 V operation matches standard DDR4 voltage
  • 288-pin DIMM fits compatible desktop slots

A-Tech 16GB DDR4 2666 CL19 Desktop Memory

This module is a 16GB DDR4 2666 DIMM rated at CL19 and 1.2V. It uses an unbuffered non-ECC design with a major-brand chipset and no heat spreader. The 288-pin form factor fits standard desktop memory slots. It is built as a compatible replacement for HP part 934255-800.

Suitable for HP systems requiring the 934255-800

Buyers with desktops that accept DDR4 2666 unbuffered DIMMs and need a single 16GB module will find this a direct match. Systems that require ECC, registered memory, lower latency than CL19, or a different voltage should look at other modules. Always verify the motherboard manual for supported densities and speeds before ordering.

Steady throughput at rated JEDEC settings

The module operates at the standard 1.2V DDR4 voltage with CL19 timings, so sustained workloads run within the JEDEC envelope without extra cooling. Unbuffered topology keeps signal paths short for consistent latency during long sessions. No heat spreader means the chips rely on case airflow, which is typical for this density and speed class.

How it compares

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

Price $86.99
Typical for this category: the median of 3,647 items is $90.99.
Total capacity 16 GB
Typical for this category: the median of 3,251 items is 16 GB.
Price per GB $5.44 per GB
Cheaper than about 66% of the 3,251 comparable items (median $6.75 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 nameA-Tech
Product lineCompatible Replacement for HP
Model name934255-800
Total capacity16 GB
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL19
Tested speed2666
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Recommended forCompatible Replacement for HP 934255-800

Questions about this item

What motherboard slot does the 288-pin DIMM require to install this 16GB module?

It fits a standard desktop DDR4 DIMM socket with 288 pins; the board must support DDR4 memory at 1.2V.

Will the CL19 timing match my existing DDR4 sticks if I keep them?

The module runs at CL19; if other installed DDR4 modules have different timings the system will use the slowest common settings across all slots.

How can I confirm the 2666 MHz speed is active after installing the 934255-800 part?

Check the memory frequency in BIOS or a system-information tool such as CPU-Z; it should report 2666 MT/s (PC4-21300) for the new module.

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