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Green 288-pin DDR4 LRDIMM module with black memory chips, no heat spreader

SK hynix

SK hynix HMAA8GL7MMR4N-UH 64GB 4DRX4 DDR4-2400 LRDIMM ECC REG server RAM

SKU CH-K9P7-48BB0

Provides 64 GB of DDR4-2400 ECC registered server memory in a 288-pin LRDIMM running at 1.35 V

  • 64 GB capacity supports memory-intensive server workloads
  • DDR4-2400 speed delivers 2400 MT/s data transfer rate
  • ECC registered design detects and corrects memory errors
  • 35 V operation reduces power consumption per module
  • 288-pin LRDIMM form factor fits registered DDR4 server slots

64GB DDR4-2400 LRDIMM for servers

This 64GB LRDIMM module delivers high-density DDR4 memory for enterprise servers. It operates at 2400 MT/s with a 1.35V supply voltage. Error-correcting code and registered buffering protect data integrity in multi-socket platforms. The 4DRX4 rank organisation maximises capacity per DIMM slot.

288-pin DDR4 registered ECC module

The module uses the standard 288-pin DDR4 form factor and requires a motherboard with registered DIMM support and ECC capability. Load-reduced technology lowers electrical load on the memory controller, freeing additional slots for further expansion. No heat spreader is fitted, so airflow across the PCB must be provided by the chassis design.

Low-voltage operation at 1.35V

At 1.35V the module draws less power than standard-voltage DDR4, reducing thermal output in dense configurations. Passive cooling relies on directed airflow from system fans. Acoustic contribution is negligible because the component has no moving parts. Power consumption scales with the number of installed modules.

How it compares

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

Price $199.99
Typical for this category: the median of 6,523 items is $188.99.

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Specifications

No published specifications for this item yet.

Questions about this item

How does the 1.35 V operating voltage affect sustained thermal load?

The 1.35 V supply keeps power draw lower than standard 1.5 V DDR4 modules, reducing heat output during continuous server workloads.

What fan or airflow is needed to cool this LRDIMM during all-day operation?

No heat spreader is fitted, so the module relies on chassis airflow across the 288-pin PCB; ensure your server provides directed cooling over the DIMM slots.

Which motherboard slot and chipset features are required for this 4DRX4 registered ECC module?

A 288-pin DDR4 slot with registered DIMM support and ECC capability in the memory controller is required for the 64 GB 4DRX4 configuration to function.

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