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Four green DDR5 RDIMM modules in a row, no heat spreaders, gold edge connectors visible

NEMIX RAM

NEMIX RAM DDR5 4800 ECC Registered RDIMM 256GB (4x64GB) CL40 1.1V 2Rx4 288-pin memory upgrade

SKU CH-NJ0T-X48KJ

A 256 GB DDR5 server memory kit of four 64 GB Registered ECC RDIMMs running at 4800 MT/s with CL40 latency and 1.1 V operation, validated for the GIGABYTE MZ73-LM2 motherboard

  • Capacity256GB (4 x 64GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 256GB 4X64GB

Show 18 more configurations
  • Registered ECC RDIMM prevents silent data corruption
  • 256GB kit (4 × 64GB) fills every slot at full capacity
  • DDR5-4800 CL40 at 1.10V matches controller specs
  • Verified fit for GIGABYTE MZ73-LM2 motherboard
  • Major OEM chips (Samsung, Micron, Hynix) ensure enterprise stability

Server-grade DDR5 memory kit

This NEMIX RAM kit supplies 256 GB of DDR5-4800 registered ECC memory in four 64 GB modules. It is built for the GIGABYTE MZ73-LM2 motherboard and matches the exact rank, voltage and timing the board's memory controller expects. The 2Rx4 RDIMM format ensures full-capacity recognition when all slots are populated.

Thermals noise and power draw

Modules run at the standard DDR5 voltage of 1.1 V and carry no heat spreaders, relying on chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller, helping keep power draw predictable under sustained server workloads. Silent operation is inherent with no moving parts on the DIMMs themselves.

Upgrade path and fitment

The kit replaces partial or mismatched memory configurations that limit total capacity or prevent the board from running at its rated 4800 MT/s. It is not suited for systems that require unbuffered UDIMMs or SODIMMs, nor for boards that cannot accept 2Rx4 registered modules. Verify the motherboard manual for approved population order before installing.

Highlights

  • Registered ECC RDIMM prevents silent data corruption
  • 256GB kit (4 × 64GB) fills every slot at full capacity
  • DDR5-4800 CL40 at 1.10V matches controller specs
  • Verified fit for GIGABYTE MZ73-LM2 motherboard
  • Major OEM chips (Samsung, Micron, Hynix) ensure enterprise stability

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-924K4
Capacity256GB (4 x 64GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemGIGABYTE
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content256GB 4X64GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install the 288-pin RDIMM modules on the GIGABYTE MZ73-LM2 motherboard, and what step is often missed?

Power down the server, open the chassis, align each 288-pin RDIMM with the keyed slot, press firmly until both retention clips click, then verify the population order in the MZ73-LM2 manual so all four 64 GB modules are recognised at 4800 MHz.

What maintenance or replacement will the 256 GB DDR5 ECC RDIMM kit need over its service life?

The modules have no moving parts and no heat spreaders to clean; ECC corrects single-bit errors automatically, so the only future action is replacing a DIMM if the server logs report uncorrectable errors.

What limit appears first when the 4×64 GB kit runs sustained workloads at 1.1 V?

The registered buffer and ECC logic keep signal integrity at full 4800 MT/s, so the first practical ceiling is the motherboard's maximum supported capacity rather than thermal or voltage headroom.

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