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Six green DDR5 RDIMM modules with gold contacts and black chips, no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 6400 ECC RDIMM 384GB (6x64GB) CL52 1.1V Supermicro AS-8126GS-NB3RT

SKU CH-CXEE-196QT

Provides 384GB of registered DDR5 ECC memory across six 64GB modules running at 6400MHz with CL52 latency at 1.1V for the Supermicro AS-8126GS-NB3RT server

  • Total capacity384 GB (6 × 64 GB)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Memory rank2Rx4
  • 384 GB total capacity across six 64 GB modules
  • DDR5 6400 MT/s speed for high-throughput workloads
  • ECC registered design protects data integrity
  • 1 V operation reduces server power draw
  • Validated for Supermicro AS-8126GS-NB3RT GPU server

Server DDR5 RDIMM kit for Supermicro AS-8126GS-NB3RT

This 384GB kit contains six 64GB DDR5 6400MHz PC5-51200 registered ECC modules built for the Supermicro GPU A+ Server AS-8126GS-NB3RT. Each stick is a 2Rx4 288-pin RDIMM that runs at 1.1V with CL52 latency. It targets administrators who need maximum supported capacity in that specific platform.

Thermals and power in normal operation

The modules operate at the standard DDR5 server voltage of 1.1V and carry no heat spreader, relying on chassis airflow for cooling. Registered buffering and ECC add minimal overhead while maintaining signal integrity across all six slots. Power draw scales with the 6400MHz data rate and the 384GB total capacity installed.

Deciding specification: 384GB registered ECC

The single figure that determines fit is the 384GB total capacity delivered as six 64GB 2Rx4 RDIMMs with ECC and registered buffering. Systems that cannot address this density, that require unbuffered DIMMs, or that lack DDR5 6400 support will not accept the kit. Buyers needing a different capacity or a non-ECC configuration 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 $12,070.99
Pricier than about 90% 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 $31.43 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 numberMR51200-924K6
Total capacity384 GB (6 × 64 GB)
Product type288-Pin DDR5 RDIMM
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items384 GB (6 × 64 GB) DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

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