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Twelve green DDR5 RDIMM modules with black chips no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 768GB 12x64GB 6400MHz CL52 2Rx4 1.1V ECC RDIMM MZ73-LM2 memory upgrade

SKU CH-N36C-61J6Y

A 768 GB DDR5 kit with twelve 64 GB registered ECC RDIMMs running at 6400 MHz CL52 for the Gigabyte MZ73-LM2 server motherboard

  • Capacity768GB (12 x 64GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes

Size 768GB 12X64GB

Show 24 more configurations
  • 768 GB capacity across twelve 64 GB modules for maximum server density
  • DDR5 6400 speed with CL52 latency matches the motherboard rated specification
  • Registered ECC design corrects single-bit errors and stabilises full-slot population
  • 1 V operation at 2Rx4 rank aligns with the platform memory controller
  • 288-pin RDIMM form factor fits the GIGABYTE MZ73-LM2 motherboard exactly

Exact-match kit for GIGABYTE MZ73-LM2

This 768GB kit delivers twelve 64GB DDR5 RDIMM modules rated at 6400MHz with CL52 latency and 1.10V operation. Registered ECC architecture ensures the memory controller recognises the full capacity across all slots. It targets administrators who need maximum supported density on this specific motherboard.

Replaces partial or mismatched populations

A mixed-capacity or UDIMM configuration cannot reach 768GB on this platform because the board requires registered DIMMs in a validated population order. The jump is worth it when every slot must be filled with identical 2Rx4 modules to avoid downclocking or POST failures.

Handles 768GB at rated 6400MHz across twelve slots

Full capacity runs at PC5-51200 without manual tuning when the motherboard memory population rules are followed. Headroom ends at the board's maximum supported density; workloads requiring more memory or non-registered modules need a different platform.

Highlights

  • 768 GB capacity across twelve 64 GB modules for maximum server density
  • DDR5 6400 speed with CL52 latency matches the motherboard rated specification
  • Registered ECC design corrects single-bit errors and stabilises full-slot population
  • 1 V operation at 2Rx4 rank aligns with the platform memory controller
  • 288-pin RDIMM form factor fits the GIGABYTE MZ73-LM2 motherboard exactly

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-924K12
Capacity768GB (12 x 64GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL52
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemGIGABYTE
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content768GB 12X64GB DDR5 6400MHz PC5-51200 2Rx4 1.1V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will the 288-pin RDIMM modules fit the GIGABYTE MZ73-LM2 motherboard?

Yes, the 288-pin Registered RDIMM form factor matches exactly what the GIGABYTE MZ73-LM2 requires; it is not a UDIMM or SODIMM, so the modules seat correctly in every DIMM slot.

What is the correct population order for the 12 modules on the MZ73-LM2?

Install the 12 modules following the motherboard manual's approved DIMM population sequence so the memory controller recognises the full 768GB at DDR5-6400 with CL52 timing.

Do these Registered ECC RDIMMs need any special cooling or firmware updates over time?

The modules have no heat spreader and run at 1.1V; maintain adequate chassis airflow per the server manual and apply any BIOS updates the board vendor releases for memory compatibility.

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