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Green circuit board DDR4 server memory module with black chips and gold edge connectors

A-Tech

A-Tech 64GB DDR4 2666MHz ECC LRDIMM 4Rx4 HP L09287-850 Server RAM

SKU CH-2F38-4MSZZ

64 GB DDR4 2666 MHz ECC LRDIMM module with CL19 latency, 1.20 V operation and 4Rx4 rank for HP L09287-850 servers

  • Total capacity64 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • 64 GB capacity handles heavy server workloads
  • DDR4 2666 MHz speed delivers high data throughput
  • ECC LRDIMM design corrects errors and reduces electrical load
  • CL19 latency at 1.20 V balances responsiveness and efficiency
  • 288-pin DIMM form factor fits compatible HP L09287-850 slots

64GB DDR4 2666MHz ECC LRDIMM for HP L09287-850

This 64GB module is a compatible replacement for HP L09287-850. It uses DDR4 2666MHz PC4-21300 ECC Load Reduced DIMM technology with a 4Rx4 rank configuration. The module operates at 1.2V standard voltage and features CL19 CAS latency. It is designed for server and workstation systems requiring high-capacity registered memory.

Verify DDR4 LRDIMM slot compatibility

Before ordering, confirm your system supports DDR4 ECC Load Reduced DIMMs and accepts 4Rx4 rank modules. The module uses a 288-pin DIMM form factor, not the 262-pin SO-DIMM variant. Check your motherboard or server documentation for maximum supported capacity per slot and qualified vendor lists. Ensure the BIOS recognises LRDIMM technology at 2666MHz speed.

Fills a single DDR4 DIMM slot in server chassis

This single 64GB module occupies one 288-pin DDR4 DIMM slot, freeing remaining slots for additional capacity. The Load Reduced design reduces electrical load on the memory controller, allowing higher total system memory. It requires a platform that supports ECC LRDIMM operation at 1.2V. No additional cooling or power connectors are needed beyond the standard DIMM socket.

How it compares

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

Price $228.99
Pricier than about 54% of the 6,523 comparable items (median $188.99).
Total capacity 64 GB
Higher than about 70% of the 6,064 comparable items (median 32 GB).
Price per GB $3.58 per GB
Cheaper than about 85% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineCompatible Replacement for HP
Model nameL09287-850
Total capacity64 GB
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL19
ECC supportYes
Buffer typeLoad Reduced
Memory rank4Rx4
Power
Rated voltage1.2 V

Questions about this item

What comes in the box and is anything else needed to install this 64GB module?

The box contains one 64GB DDR4 2666MHz ECC LRDIMM module. No additional parts are required; the module installs directly into a compatible 288-pin DIMM slot.

How do I choose between the listed versions or capacities for this HP L09287-850 replacement?

This specific part is a single 64GB module (1x 64GB) rated at DDR4 2666 (PC4-21300) with CL19 latency and 4Rx4 organisation. Select it when your server requires a 64GB load-reduced ECC DIMM at that speed and rank configuration.

What does the 2666MHz rating mean once the module is installed in a server?

The module operates at 2666 MT/s, providing PC4-21300 bandwidth at 1.20V with CL19 timing, and the ECC LRDIMM design reduces electrical load on the memory bus for stable operation in multi-DIMM server configurations.

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