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Four green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM MR51200-328K4 128GB 4x32GB DDR5 6400 CL52 1.10V 2Rx8 ECC RDIMM memory upgrade

SKU CH-PQZ1-3JMWR

A 128 GB DDR5 server kit with four 32 GB registered ECC modules at 6400 MT/s, CL52 and 1.10 V, validated for the Gigabyte MZ73-LM0 motherboard

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 128GB 4X32GB

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  • 128 GB total capacity from four 32 GB modules
  • DDR5 6400 speed with CL52 latency at 1.10 V
  • Registered ECC RDIMM prevents data corruption under load
  • 2Rx8 dual-rank organisation maximises density per slot
  • Validated for GIGABYTE MZ73-LM0 motherboard

Targeted Server Upgrade

This NEMIX RAM kit delivers 128 GB of DDR5-6400 registered ECC memory in a matched set of four 32 GB modules. It is built for administrators expanding the GIGABYTE MZ73-LM0 motherboard with the exact rank, voltage and timing the platform expects.

Pre-Install Checklist

Verify that your system manual approves 2Rx8 registered DIMMs at 1.10 V and confirms the required population order for all four slots. Ensure the motherboard firmware is current enough to initialise DDR5 PC5-51200 modules at their rated CL52 latency.

Enterprise Reliability In Practice

Registered buffering reduces electrical load on the memory controller so every slot runs fully populated without signal degradation. On-die ECC corrects single-bit errors in real time, preventing silent data corruption that would otherwise halt production workloads.

How it compares

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

Price $5,098.99
Pricier than about 80% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $39.84 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 numberMR51200-328K4
Total capacity128 GB (4 × 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 items128 GB 4 × 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

Does the MR51200-328K4 kit include all four 32GB modules or do I need to buy additional DIMMs?

The kit contains four 32GB DDR5 RDIMMs for a total of 128GB; no extra modules are required to reach that capacity.

Why choose the 128GB 4x32GB CL52 kit instead of a smaller capacity or different latency?

This 4x32GB CL52 kit matches the GIGABYTE MZ73-LM0 motherboard's validated population rules and runs at DDR5 6400 with 1.10V registered ECC stability.

What does the DDR5 6400 PC5-51200 rating mean once the modules are installed in the MZ73-LM0?

The modules operate at 6400 MT/s with CL52 timing at 1.10V, delivering the full PC5-51200 bandwidth the board's memory controller expects when all slots are populated.

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