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A-Tech

A-Tech 64GB (2x32GB) DDR4 2666MHz CL19 1.2V 288-Pin Dual Rank Desktop RAM

SKU CH-MCCQ-XR05A

A 64 GB dual-channel kit of two 32 GB DDR4 2666 MHz CL19 1.2 V 288-pin UDIMM modules for desktop upgrades

  • Capacity64GB (2 x 32GB)
  • SpeedDDR4 2666 (PC4 21300)
  • Tested Frequency2666
  • Voltage1.20V
  • ECCNo
  • Buffered/RegisteredUnbuffered

Capacity 64GB (2 x 32GB)

Speed DDR4 2666 (PC4 21300)

  • 64 GB dual-channel kit handles heavy multitasking and large datasets
  • 2666 MHz DDR4 speed accelerates application load times and system responsiveness
  • CL19 1.2 V operation delivers stable performance at standard desktop voltage
  • Dual-rank 2Rx8 organisation increases memory density per module
  • 288-pin DIMM form factor fits compatible DDR4 desktop motherboards

64GB DDR4 2666 dual-channel kit

This 64GB kit contains two 32GB DDR4 DIMMs rated at 2666MHz with CL19 latency. The modules run at the standard 1.2V and fit 288-pin desktop slots. They are unbuffered, non-ECC, and dual-rank, making them suitable for mainstream AMD and Intel platforms that support DDR4 2666 memory.

Sustained workload behaviour

Dual-rank organisation lets each module keep more banks open, which helps maintain throughput during long rendering, compilation or virtualisation sessions. The 1.2V operation keeps thermal output predictable, so the sticks stay stable without extra airflow when the system runs at full load for hours.

Upgrade context

The kit replaces smaller-capacity or slower DDR4 DIMMs when the board and CPU officially support 32GB modules at 2666MHz. The jump is worthwhile when current memory limits multitasking or forces excessive paging, and the platform’s memory controller can address the full 64GB across two slots.

Points forts

  • 64 GB dual-channel kit handles heavy multitasking and large datasets
  • 2666 MHz DDR4 speed accelerates application load times and system responsiveness
  • CL19 1.2 V operation delivers stable performance at standard desktop voltage
  • Dual-rank 2Rx8 organisation increases memory density per module
  • 288-pin DIMM form factor fits compatible DDR4 desktop motherboards

Caractéristiques

BrandA-Tech
SeriesA-Tech DDR4 Desktop Memory RAM
Capacity64GB (2 x 32GB)
SpeedDDR4 2666 (PC4 21300)
Tested Frequency2666
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
Recommend UseAMD & Intel Compatible

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Questions sur cet article

Will these two 32 GB modules run in dual-channel mode on my desktop?

Yes, the kit is a matched pair of 32 GB DIMMs designed for dual-channel operation on compatible DDR4 motherboards.

Does this memory require ECC or registered support from the motherboard?

No, the modules are non-ECC and unbuffered, so they work with standard consumer desktop boards that accept UDIMMs.

What voltage do the modules use, and is it within the standard DDR4 range?

They operate at 1.2 V, which is the standard DDR4 voltage and requires no manual adjustment in most BIOS settings.

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