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Six green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 384GB (6x64GB) DDR5 6400MHz CL52 2Rx4 1.1V ECC RDIMM for Supermicro SYS-242B-NR

SKU CH-BE71-HKPPR

Six 64 GB DDR5 registered ECC modules totalling 384 GB at 6400 MHz CL52 for Supermicro SYS-242B-NR servers

  • Total capacity384 GB (6 × 64 GB)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Memory rank2Rx4
  • 384 GB total capacity from six 64 GB modules
  • DDR5 6400 MHz speed rated at PC5-51200
  • ECC registered RDIMM for data integrity
  • 1 V operation with CL52 latency
  • Validated for Supermicro SYS-242B-NR systems

384GB DDR5 ECC RDIMM kit for Supermicro SYS-242B-NR

This registered server memory kit provides 384GB total capacity across six 64GB modules. It targets administrators scaling memory in Supermicro MP SuperServer SYS-242B-NR platforms where ECC integrity and registered signalling are required. The dual-rank 2Rx4 organisation suits high-density configurations.

Thermals noise and power at 1.1V

Operating at 1.10V, the modules draw minimal power for DDR5 6400MHz operation. No heat spreaders are fitted, so airflow through the chassis manages thermals directly. Registered buffering reduces electrical load on the memory controller, contributing to stable power delivery under sustained workloads.

Upgrading from lower-capacity RDIMM sets

The kit replaces smaller RDIMM populations when the workload demands more addressable memory per socket. The jump is worthwhile when virtualisation density, in-memory databases or large dataset caching exceed the limits of existing modules and the platform supports the full 384GB configuration.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $13,818.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (6 × 64 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $35.99 per GB
Pricier than about 90% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR51200-924K6
Total capacity384 GB (6 × 64 GB)
Product type288-Pin DDR5 RDIMM
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items384 GB (6 × 64 GB) DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the six 64 GB DDR5 RDIMMs in the Supermicro SYS-242B-NR and which step is often missed?

Power down the server, open the chassis, and seat each 288-pin module fully until the retention clips lock; the step often missed is verifying the motherboard memory-configuration rules for 2Rx4 population order before closing the case.

What maintenance or replacement will this 384 GB ECC RDIMM kit need over its service life?

No scheduled maintenance is required; if a module fails the ECC error logs will identify it and the individual 64 GB RDIMM can be replaced without changing the rest of the kit.

What limit appears first when the kit runs at 6400 MHz CL52 under sustained load?

The DDR5 1.1 V operating voltage and CL52 latency define the thermal and timing envelope; sustained throughput will be constrained by the memory controller's ability to maintain 6400 MT/s within that envelope.

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