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Six green DDR5 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM MR51200-924K6 384GB 6x64GB DDR5 6400 CL52 1.1V 2Rx4 ECC RDIMM memory upgrade

SKU CH-GTVY-MJVSZ

384GB DDR5 ECC registered server memory kit with six 64GB modules running at 6400MHz CL52 and 1.1V for GIGABYTE MZ23-SU0 motherboards

  • Total capacity384 GB (6 × 64 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 384GB 6X64GB

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  • 384 GB total capacity from six 64 GB DDR5 modules
  • DDR5-6400 speed with CL52 latency at 1.1 V for rated performance
  • Registered ECC RDIMM design offloads the controller and corrects single-bit errors
  • 288-pin 2Rx4 form factor matches GIGABYTE MZ23-SU0 motherboard requirements
  • Lifetime replacement warranty with US-based technical support included

384GB DDR5-6400 Registered ECC Kit

This 384GB kit contains six 64GB DDR5-6400 RDIMMs built to the exact PC5-51200 CL52 1.1V 2Rx4 specification the server memory controller expects. It is intended for administrators upgrading the GIGABYTE MZ23-SU0 motherboard or compatible platforms that require registered ECC modules.

Registered ECC Architecture Impact

Registered buffering offloads the memory controller so every slot runs fully populated at rated speed while ECC corrects single-bit errors on the fly, preventing silent data corruption and unplanned reboots in production workloads. The modules ship without heat spreaders, relying on server chassis airflow for thermal management.

288-Pin RDIMM Form Factor

The 288-pin RDIMM form factor fits only motherboards wired for registered DDR5 memory; it will not seat in UDIMM or SODIMM slots. Before installation, consult the system manual for supported capacities and the approved DIMM population order to ensure full 384GB recognition.

How it compares

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

Price $12,678.99
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 $33.02 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
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsGIGABYTE
In the box
Included items384 GB 6 × 64 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will the 1.1 V DDR5 RDIMM modules need active cooling after years of 24/7 server duty?

These modules have no heat spreader and run at the standard 1.1 V DDR5 voltage, so they rely on normal chassis airflow; no extra cooling is required under typical server loads.

What limits sustained throughput when all six 64 GB sticks run at DDR5-6400 CL52?

The registered 2Rx4 design and CL52 latency define the bandwidth ceiling; the memory controller on the GIGABYTE MZ23-SU0 manages timing and population rules that set the practical sustained rate.

How much extra power and heat does the 384 GB kit add when the system runs all day?

At 1.1 V the kit draws only the power needed for 384 GB of registered ECC DDR5; heat output stays low enough for standard server airflow without supplemental fans.

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