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Twelve green DDR5 RDIMM modules without heat spreaders in a row

NEMIX RAM

NEMIX RAM 768GB (12x64GB) DDR5 6400 CL52 2Rx4 1.1V ECC Registered RDIMM memory upgrade for GIGABYTE MZ73-LM0

SKU CH-JAE0-T4AA5

768GB 12-module DDR5 6400 CL52 ECC Registered RDIMM kit validated for GIGABYTE MZ73-LM0

  • Total capacity768 GB (12 × 64 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 768GB 12X64GB

Show 24 more
  • 768 GB total capacity lets you fully populate the GIGABYTE MZ73-LM0 with twelve 64 GB modules
  • DDR5 6400 speed delivers the rated bandwidth the board expects without down-clocking
  • Registered ECC architecture offloads the memory controller and corrects single-bit errors for continuous uptime
  • CL52 latency at 1.1 V matches the exact timing and voltage the server requires
  • 288-pin RDIMM form factor fits the board's memory slots and population rules

Exact-Match Upgrade for GIGABYTE MZ73-LM0

This NEMIX RAM kit delivers 768GB of DDR5 server memory across twelve 64GB RDIMM modules. It is built for administrators who need the full population supported by the GIGABYTE MZ73-LM0 motherboard. The registered ECC design ensures stable operation in dense configurations.

Registered ECC RDIMM at DDR5-6400 CL52

The kit runs at 6400 MT/s with a CAS latency of 52 and a voltage of 1.1V. Each module is a 2Rx4 288-pin RDIMM, the precise form factor and rank structure the board's memory controller expects for full-speed recognition. Buffered architecture offloads the controller when every slot is filled.

Twelve-Module Kit Enables Maximum Capacity

The package contains exactly twelve 64GB modules to reach the 768GB total. No heat spreaders are included, so airflow planning follows the chassis design. Buyers who need fewer modules or a different capacity must select another kit, as this part number is fixed at twelve pieces.

How it compares

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

Price $25,069.99
Pricier than about 92% of the 21,161 comparable items (median $397.99).
Total capacity 768 GB (12 × 64 GB)
Higher than about 92% of the 20,941 comparable items (median 32 GB).
Price per GB $32.64 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 numberMR51200-924K12
Total capacity768 GB (12 × 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 items768 GB 12 × 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

What does the DDR5-6400 rating mean once the kit is installed in a GIGABYTE MZ73-LM0 server?

The modules will run at 6400 MT/s with CL52 latency at 1.10 V, provided the motherboard's memory controller supports that speed with a fully populated 12-DIMM configuration.

What does the PC5-51200 designation tell me about the memory interface and its practical limit?

PC5-51200 confirms a DDR5 288-pin RDIMM interface rated for 6400 MT/s; the registered buffer lets all twelve slots run at that speed without overloading the memory controller.

What physical requirements must the GIGABYTE MZ73-LM0 meet to accept this 12-module kit?

The board needs twelve 288-pin DDR5 RDIMM slots wired for registered ECC memory and a population rule that allows twelve 64 GB 2Rx4 modules at 1.10 V.

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