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Green rectangular DDR4 DIMM with black chips on both sides, gold contacts along bottom edge, no heat spreader

A-Tech

A-Tech 32GB DDR4 2666MHz CL19 Desktop RAM

SKU CH-X0CW-RYR87

A 32GB DDR4 2666MHz CL19 desktop DIMM with 288 pins, 1.2V operation, and unbuffered non-ECC design for compatible system upgrades

  • Capacity32GB
  • SpeedDDR4 2666 (PC4 21300)
  • Tested Frequency2666
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCNo
  • 32 GB capacity lets you run more apps at once
  • DDR4 2666 MHz speed moves data quickly through the system
  • CL19 latency keeps response times tight
  • 20 V standard voltage reduces power draw
  • 288-pin DIMM fits desktop memory slots

32GB DDR4 Desktop Memory

This 32GB DDR4 DIMM is an unbuffered, non-ECC module built as a compatible replacement for the Hynix HMAA4GU6MJR8N-VK part. It targets desktop systems that require a single high-density stick to expand memory capacity without populating multiple slots.

Capacity and headroom

The 32GB capacity provides ample headroom for heavy multitasking, large datasets, and memory-intensive applications on supported platforms. Systems limited to lower maximum densities per slot or lower total memory ceilings will not be able to utilise the full module.

DDR4 2666MHz interface limits

The module operates at 2666MHz with CL19 latency and 1.20V voltage on the standard DDR4 288-pin interface. Platforms that only support lower DDR4 data rates will downclock the module, while boards requiring registered or ECC memory cannot use this unbuffered DIMM.

Pontos fortes

  • 32 GB capacity lets you run more apps at once
  • DDR4 2666 MHz speed moves data quickly through the system
  • CL19 latency keeps response times tight
  • 20 V standard voltage reduces power draw
  • 288-pin DIMM fits desktop memory slots

Especificações

BrandA-Tech
SeriesCompatible Replacement for Hynix
ModelHMAA4GU6MJR8N-VK
Capacity32GB
SpeedDDR4 2666 (PC4 21300)
Tested Frequency2666
CAS LatencyCL19
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor Brand Chipset
Heat SpreaderNo
FeaturesHMAA4GU6MJR8N-VK
Recommend UseCompatible Replacement for Hynix HMAA4GU6MJR8N-VK

Perguntas sobre este artigo

Will this 32GB stick work alongside my existing 8GB modules?

Yes, provided your motherboard supports mixed capacities and you install the modules in the correct slots for your board's channel layout.

My board has four slots — can I add this module without removing the ones already installed?

You can keep the existing modules if a free 288-pin DDR4 slot is available and the total capacity does not exceed your CPU or chipset limit.

Does the CL19 timing require any manual BIOS adjustment to run at 2666MHz?

The module is rated for 2666MHz at CL19 with standard 1.20V operation; most systems will apply these settings automatically on first boot.

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