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Eight green DDR5 RDIMM modules in a row, gold contacts visible, no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 384GB (8x48GB) 6400MHz CL52 ECC Registered RDIMM memory upgrade for GIGABYTE MZ73-LM2

SKU CH-S20A-BJ7C5

A 384 GB DDR5 server memory kit of eight 48 GB Registered ECC RDIMMs at 6400 MHz CL52, validated for the GIGABYTE MZ73-LM2 motherboard

  • Total capacity384 GB (8 × 48 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 384GB 8X48GB

Show 24 more
  • 384GB capacity across eight 48GB modules for maximum server density
  • DDR5 6400 speed with CL52 latency runs at rated performance
  • Registered ECC design corrects errors and stabilises fully populated slots
  • 10V operation matches the motherboard's memory controller specification
  • 288-pin RDIMM form factor fits the GIGABYTE MZ73-LM2 exactly

Exact-match upgrade for GIGABYTE MZ73-LM2

This 384GB kit supplies eight 48GB DDR5 6400MHz Registered ECC RDIMMs built to the precise rank, voltage and timing the MZ73-LM2 memory controller expects. It is intended for administrators expanding a single server to its full supported capacity with modules that are recognised immediately at rated speed. Buyers needing unbuffered UDIMMs, SODIMMs or a lower total capacity should look elsewhere.

Enterprise stability under sustained load

Registered architecture offloads the memory controller so every slot runs fully populated at 1.1V without additional voltage headroom. ECC corrects single-bit errors on the fly, preventing silent data corruption and unplanned reboots during continuous operation. The modules carry no heat spreader, so airflow across the DIMM rows must follow the chassis manufacturer's guidance.

Lifetime replacement and US-based technical support

The bundle includes only the eight RDIMMs; no cables, software licences or configuration tools are supplied. Free US-based technical assistance is available for installation questions such as population order or BIOS settings. Customers requiring on-site service, advance replacement or bundled management software will need a separate support contract.

How it compares

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

Price $9,543.99
Pricier than about 86% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (8 × 48 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $24.85 per GB
Pricier than about 69% 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 numberMR51200-4828K8
Total capacity384 GB (8 × 48 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 items384 GB 8 × 48 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install the 288-pin DDR5 RDIMM modules in the GIGABYTE MZ73-LM2, and which step is most often missed?

Power down, open the chassis, and insert each 48GB module into the slots listed in the motherboard manual's population order; the step most often missed is following that exact sequence so all eight RDIMMs are recognised at 6400MHz.

What maintenance or replacement will the 384GB DDR5 ECC RDIMM kit need over its service life?

The modules have no moving parts or heat spreaders and run at 1.10V, so no routine maintenance is required; replacement only occurs if a DIMM fails, which is covered by the lifetime replacement warranty.

What limit appears first when the 8x48GB 2Rx8 Registered kit runs sustained workloads on the MZ73-LM2?

The registered buffer and ECC logic keep every slot stable at full 6400MHz CL52 operation, so the first limit reached is the motherboard's maximum supported capacity of 384GB rather than a memory-speed or thermal throttle.

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