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Six green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM DDR5 4800 384GB 6x64GB CL40 1.1V 2Rx4 ECC Registered RDIMM memory upgrade

SKU CH-4H66-XDCQT

A 384 GB DDR5-4800 registered ECC kit of six 64 GB modules at 1.1 V CL40 for the GIGABYTE MZ73-LM1 motherboard

  • Total capacity384 GB (6 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 384GB 6X64GB

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  • 384GB total capacity from six 64GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • Registered ECC architecture prevents silent data corruption
  • 1V operation matches server memory controller requirements
  • 288-pin RDIMM form factor fits GIGABYTE MZ73-LM1 motherboard

Server-grade DDR5 ECC RDIMM kit

This 384 GB kit contains six 64 GB DDR5-4800 registered ECC modules built to the PC5-38400 standard. It targets administrators upgrading a GIGABYTE MZ73-LM1 motherboard that requires 288-pin RDIMM memory with 2Rx4 organization and 1.10 V operation.

Thermals noise and power draw

Registered buffering reduces electrical load on the memory controller when all slots are populated, helping the platform maintain stability at the rated 4800 MT/s speed. The modules run at 1.10 V without a heat spreader, relying on chassis airflow for cooling in typical server environments.

2Rx4 registered ECC at 1.10 V

The combination of dual-rank x4 architecture, registered signalling and on-die ECC at 1.10 V is the single specification that determines whether this kit will be recognised at full capacity and run at its rated CL40 timing on the target motherboard. Builders needing unbuffered UDIMMs or a different rank structure must select another part.

How it compares

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

Price $9,877.99
Pricier than about 87% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (6 × 64 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $25.72 per GB
Pricier than about 70% 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 numberMR38400-924K6
Total capacity384 GB (6 × 64 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsGIGABYTE
In the box
Included items384 GB 6 × 64 GB DDR5 4800 MHz PC5-38400 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How do I install the 288-pin DDR5 RDIMM modules in the GIGABYTE MZ73-LM1 motherboard, and what step do people often miss?

Power down the server, open the chassis, align each 288-pin RDIMM with the keyed slot, press firmly until the retention clips click, then populate the six slots in the exact order shown in the motherboard manual to enable all 384GB at DDR5 4800.

What maintenance or replacement will this 6x64GB ECC Registered kit need over its service life?

The modules have no heat spreaders or moving parts, so no routine maintenance is required; if a single-bit error rate ever exceeds ECC correction capability, the affected 64GB RDIMM would be replaced under the lifetime replacement coverage.

What limit appears first when the 384GB kit runs sustained workloads at DDR5 4800 CL40?

The registered buffer and 1.10V operation keep signal integrity stable across all six ranks, so the practical ceiling is the motherboard's maximum supported capacity and slot population rules rather than a thermal or voltage throttle.

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