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Six green DDR5 RDIMM modules with black chips and gold contacts

NEMIX RAM

NEMIX RAM 384GB 6x64GB DDR5 4800 CL40 2Rx4 ECC RDIMM MZ33-AR1 memory upgrade

SKU CH-G762-3TY4J

A 384 GB kit of six 64 GB DDR5-4800 ECC registered RDIMMs validated for the Gigabyte MZ33-AR1 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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  • 384 GB total capacity from six 64 GB modules enables large-scale server workloads
  • DDR5 4800 speed with CL40 latency delivers rated bandwidth for the platform
  • Registered ECC design corrects single-bit errors and stabilises fully populated slots
  • 10 V operation matches the motherboard's memory-controller specification exactly
  • 288-pin RDIMM form factor fits the GIGABYTE MZ33-AR1 memory slots precisely

Exact-Match Server Upgrade

This 384GB kit contains six 64GB DDR5 RDIMMs built for the GIGABYTE MZ33-AR1 motherboard. Each module runs at 4800 MT/s with CL40 latency at 1.1V and uses a 2Rx4 registered ECC design. The specification matches the board's memory controller requirements so the full capacity is recognised at rated speed.

Sustained Load Behaviour

Registered buffering reduces electrical load on the memory controller when all six slots are populated. ECC corrects single-bit errors on the fly, preventing silent data corruption during long compute runs. The 1.1V operating voltage keeps power draw consistent under continuous utilisation.

Installation Notes

The 288-pin RDIMM form factor fits only registered DIMM slots; UDIMM or SODIMM slots will not accept these modules. Population order must follow the motherboard manual to initialise all 384GB. No heat spreaders are present, so airflow across the modules must be maintained by the chassis. Buyers who need a different capacity or non-ECC memory cannot use this kit.

How it compares

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

Price $9,400.99
Pricier than about 86% 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 $24.48 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 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

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Questions about this item

How much power does the 384GB kit draw at its rated 1.10V?

Each 64GB module runs at 1.10V; the registered ECC design buffers the command bus so the memory controller stays cool even with all six slots populated 24/7.

What must my GIGABYTE MZ33-AR1 motherboard provide for this 6×64GB RDIMM kit to work?

The board needs six 288-pin DDR5 RDIMM slots wired for registered ECC memory and a BIOS that supports 2Rx4 modules at DDR5-4800 (PC5-38400).

Can I mix these CL40 2Rx4 RDIMMs with older DDR5 modules I already have?

Mixing ranks or latencies forces the controller to the slowest common settings; for full 384GB capacity and rated speed, populate all six slots with this matched kit.

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