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Green circuit board with black memory chips and gold edge connectors

A-Tech

A-Tech 16GB DDR4 2666 CL19 1.2V 288-pin desktop RAM

SKU CH-BPCN-9Q442

A 16 GB DDR4 desktop module running at 2666 MHz with CL19 latency and 1.2 V on a 288-pin DIMM

  • Total capacity16 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chips
  • CAS latencyCL19
  • Tested speed2666
  • Rated voltage1.2 V
  • 16 GB capacity expands multitasking headroom for demanding workloads
  • DDR4 2666 MHz speed accelerates data transfer rates
  • CL19 latency timing supports responsive system operation
  • 2 V standard voltage reduces power consumption
  • 288-pin DIMM form factor fits compatible desktop motherboards

A-Tech 16GB DDR4 2666 CL19 Desktop Memory

This 16GB DDR4 module runs at 2666MHz with a CAS latency of CL19 and operates at the standard 1.20V. It is an unbuffered, non-ECC DIMM designed for desktop systems that support DDR4 memory. The 288-pin form factor fits standard desktop slots. It targets users needing a straightforward capacity increase for everyday multitasking and general workloads.

Replaces Kingston KCP426ND8/16

This module serves as a direct replacement for Kingston part numbers KCP426ND8/16, ACR26D4U9D8MH-16, KTP9W1-MIE, and KVR26N19D8/16. The jump is worth it when your system currently runs less than 16GB or uses slower DDR4 speeds, and the motherboard supports 2666MHz operation. Matching the existing voltage and latency helps maintain stability without manual tuning.

Straightforward 288-Pin DIMM Installation

Installation follows the standard desktop DIMM procedure: align the notch, press firmly until the retention clips click, and verify detection in the BIOS. Common issues arise when the motherboard does not support 2666MHz natively and defaults to a lower speed, or when mixing modules with different timings prevents dual-channel operation. Verifying the supported memory specifications of your system before purchase avoids these problems.

How it compares

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

Price $83.99
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 $5.25 per GB
Cheaper than about 69% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameA-Tech
Total capacity16 GB
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chips
Memory
CAS latencyCL19
Tested speed2666
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V
Compatibility
Recommended forAMD & Intel Compatible

Questions about this item

Will this 288-pin DDR4 DIMM fit my desktop motherboard?

This module uses the standard 288-pin DDR4 DIMM form factor at 1.20V. It fits any desktop board with a DDR4 slot that accepts 2666MHz non-ECC unbuffered memory.

What is the common mistake when installing this 16GB DDR4 2666 module?

The notch on the 288-pin edge connector must align with the slot key; forcing it backwards bends the gold contacts. Press straight down until both side clips click audibly.

Does this CL19 1.2V DDR4 module need any firmware updates or battery changes over time?

No firmware or battery is involved. The JEDEC-standard 1.2V DDR4 ICs are solid-state; only occasional dust removal from the slot and contacts is needed for long-term reliability.

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