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Eight green 288-pin DDR4 LRDIMM modules in a row

A-Tech

A-Tech 256GB (8x32GB) DDR4 2666 ECC LRDIMM 2Rx4 Server RAM

SKU CH-HR2B-29RVA

Eight 32 GB DDR4 2666 ECC LRDIMM modules deliver 256 GB of load-reduced server memory with CL19 latency at 1.2 V

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced

Capacity 256GB (8 x 32GB)

  • 256 GB total capacity from eight 32 GB modules
  • DDR4 2666 MHz speed rated at PC4-21300
  • ECC Load Reduced DIMM for server error correction
  • Dual-rank 2Rx4 organisation increases memory density
  • 2 V standard DDR4 voltage for efficient operation

256GB DDR4 2666 ECC LRDIMM kit

This 256GB kit contains eight 32GB DDR4 2666 ECC Load Reduced DIMMs built for servers and workstations. Each module runs at 2666 MHz with CL19 latency and 1.20V operation. The dual-rank 2Rx4 organisation and major-brand chips provide registered ECC reliability for mission-critical workloads.

288-pin LRDIMM platform integration

The 288-pin DDR4 LRDIMM form factor fits only systems that explicitly support DDR4 ECC Load Reduced memory. The reduced electrical load on the memory bus frees the controller to populate more slots per channel. Verify your platform manual for supported speeds, channel population rules and maximum capacity before installation.

Sustained 2666 MHz throughput under load

At the rated 2666 MHz and 1.20V the modules maintain stable bandwidth during extended compute or virtualisation tasks. ECC correction and the load-reduced buffer keep error rates low when all eight DIMMs run continuously. Quality assurance testing on every stick ensures consistent performance across the full 256GB kit.

How it compares

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

Price $1,529.99
Pricier than about 84% of the 6,523 comparable items (median $188.99).
Total capacity 256 GB (8 × 32 GB)
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $5.98 per GB
Cheaper than about 64% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR4 Server Memory RAM
Model nameA-Tech 32 GB 2Rx4 PC4-2666 V-L
Total capacity256 GB (8 × 32 GB)
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL19
ECC supportYes
Buffer typeLoad Reduced
Memory rank2Rx4 (2DRx4)
Power
Rated voltage1.2 V

Other versions of this model

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Questions about this item

What is the CAS latency of these 2666 MHz modules?

The kit runs at CL19, so each access cycle adds 19 clock periods at the rated 2666 MT/s data rate.

How much heat does an 8-module LRDIMM kit produce under continuous load?

Each 32 GB module operates at the standard 1.20 V DDR4 voltage, keeping power draw and thermal output within typical server DIMM limits for sustained operation.

Which motherboard slot type is required for these 288-pin DIMMs?

The modules use the 288-pin DDR4 DIMM form factor and must be installed in DDR4 server or workstation boards that support ECC load-reduced memory.

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