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Two green 288-pin DDR5 RDIMM modules with black chips, no heat spreader

NEMIX RAM

NEMIX RAM MR51200-328K2 64GB (2x32GB) DDR5 6400 CL52 ECC Registered RDIMM memory upgrade

SKU CH-1720-65GQS

A 64 GB registered ECC DDR5 kit (two 32 GB modules) at 6400 MHz, CL52 and 1.1 V, verified for the GIGABYTE MZ73-LM0 motherboard

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 64GB 2X32GB

Show 24 more
  • Exact-match 64 GB kit runs at DDR5-6400 CL52 with 1.10 V for rated speed
  • Registered 2Rx8 ECC RDIMM offloads the controller and corrects single-bit errors
  • 288-pin form factor verified for GIGABYTE MZ73-LM0 motherboard population rules
  • Lifetime replacement warranty plus free US-based technical support included
  • Check system manual for approved DIMM capacities and installation order before purchase

Server-Specific DDR5 Kit

This 64GB kit contains two 32GB DDR5-6400 Registered ECC RDIMMs built to the exact rank, voltage and timing the GIGABYTE MZ73-LM0 memory controller expects. It is intended for administrators upgrading that specific server platform with modules that will be recognised at full capacity and rated speed. Buyers using any other motherboard or a consumer desktop should verify compatibility before ordering.

Thermals Power and Noise

Operating at 1.1V, the modules draw minimal power for their density and produce no audible noise because they have no moving parts. The registered architecture reduces electrical load on the memory controller, helping the server maintain stable thermals even when every slot is populated. No heat spreaders are fitted, so chassis airflow must be sufficient for bare DRAM.

Registered ECC Benefits

Registered buffering offloads the memory controller, allowing full-population stability, while on-die ECC corrects single-bit errors in real time to prevent silent data corruption and unplanned reboots. The kit includes only the two RDIMMs; no additional software, cables or cooling accessories are supplied.

How it compares

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

Price $2,536.99
Pricier than about 71% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $39.64 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 numberMR51200-328K2
Total capacity64 GB (2 × 32 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 rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsGIGABYTE
In the box
Included items64 GB 2 × 32 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How do I install the 288-pin RDIMM modules in the GIGABYTE MZ73-LM0 and what slot order does the manual require?

Power down the server, open the chassis, and insert each 32 GB module into the DIMM slots specified by the GIGABYTE MZ73-LM0 manual for a two-DIMM population; the registered design only works when the exact population sequence is followed.

What maintenance or replacement will the 2Rx8 ECC RDIMM kit need over its service life?

No routine maintenance is required; the modules are solid-state with no moving parts, and ECC corrects single-bit errors automatically, so replacement is only needed if a module fails completely.

What limit appears first when the 6400 MHz CL52 kit runs at full load continuously?

The 1.10 V operating voltage and CL52 latency are fixed by the JEDEC specification, so sustained throughput is capped at the rated 6400 MT/s data rate; thermal throttling only occurs if chassis airflow is insufficient.

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