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Two green DDR4 server memory sticks, 288-pin LRDIMM, black chips, gold contacts

A-Tech

A-Tech 128GB (2x64GB) DDR4 2666 ECC LRDIMM 4Rx4 Server RAM

SKU CH-9WRH-GRRQG

A 128 GB dual-channel kit of 2666 MHz DDR4 ECC LRDIMM modules with CL19 latency and 1.2 V operation

  • Capacity128GB (2 x 64GB)
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredLoad Reduced

Capacity 128GB (2 x 64GB)

  • 128 GB total capacity across two 64 GB modules
  • DDR4 2666 MHz speed with CL19 latency for responsive server workloads
  • ECC Load Reduced DIMM technology corrects errors and reduces electrical load
  • 20 V standard DDR4 voltage keeps power draw efficient
  • 288-pin dual-channel kit designed for compatible DDR4 servers and workstations

128GB DDR4 ECC LRDIMM kit

This 128GB kit contains two 64GB DDR4 2666 ECC load-reduced DIMMs built for servers and workstations that require registered memory. The quad-rank x4 organisation lets each module address more rows per channel, raising total capacity without adding slots. Desktop and laptop platforms cannot use these modules because they lack the necessary memory controller support.

Sustained throughput with quad-rank density

At 2666 MT/s and CL19 the pair delivers PC4-21300 bandwidth continuously, while the load-reduced buffer reduces electrical load on the memory controller during long-running workloads. ECC corrects single-bit errors on the fly, preventing silent data corruption in databases, virtualisation hosts and compute clusters. The 1.20V operating voltage keeps power draw predictable under constant utilisation.

288-pin DIMMs validated for multi-channel servers

Each module uses major-brand chips on a 288-pin PCB and ships as a matched dual-channel kit to simplify population rules. A-Tech tests every stick before it leaves the factory, and the lifetime warranty covers the kit for as long as you own it. US-based technical support is available for installation guidance or compatibility questions.

Punti di forza

  • 128 GB total capacity across two 64 GB modules
  • DDR4 2666 MHz speed with CL19 latency for responsive server workloads
  • ECC Load Reduced DIMM technology corrects errors and reduces electrical load
  • 20 V standard DDR4 voltage keeps power draw efficient
  • 288-pin dual-channel kit designed for compatible DDR4 servers and workstations

Caratteristiche tecniche

BrandA-Tech
SeriesA-Tech DDR4 Server Memory RAM
ModelA-Tech 64GB 4Rx4 PC4-2666V-L
Capacity128GB (2 x 64GB)
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4 (4DRx4)
Multi-channel KitDual Channel Kit
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

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Domande su questo articolo

How much power does the 1.20V DDR4 2666 kit draw under sustained server loads?

Each 64 GB module runs at the standard 1.20 V DDR4 voltage; total system power depends on your platform's memory controller and the number of populated slots.

What motherboard feature is required to use these 288-pin LRDIMMs?

The board must support DDR4 ECC Load Reduced memory; desktop and laptop platforms cannot accept these modules.

Will this quad-rank 4Rx4 kit work alongside existing dual-rank DDR4 RDIMMs?

Mixing LRDIMMs with standard RDIMMs is not supported; all slots must use the same registered or load-reduced technology for stable operation.

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