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Eight green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM DDR5 512GB (8x64GB) 6400MHz CL52 ECC RDIMM Supermicro AS-8126GS-NB3RT

SKU CH-H6TQ-EQ04E

512 GB registered DDR5 server kit with eight 64 GB ECC modules at 6400 MHz CL52 for the Supermicro AS-8126GS-NB3RT

  • Total capacity512 GB (8 × 64 GB)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Memory rank2Rx4
  • 512 GB capacity in eight 64 GB modules for high-density server workloads
  • DDR5 6400 MHz CL52 delivers fast registered ECC performance
  • 10 V operation reduces power draw in dense configurations
  • 2Rx4 288-pin RDIMM design ensures signal integrity at scale
  • Validated for Supermicro AS-8126GS-NB3RT GPU A+ Server compatibility

Server memory kit for Supermicro GPU A+ Server

This 512GB kit contains eight 64GB DDR5 ECC RDIMM modules built for the Supermicro GPU A+ Server AS-8126GS-NB3RT. Registered 2Rx4 organisation and on-die ECC protect data integrity in multi-socket workloads. The 288-pin form factor matches the platform’s memory slots. It targets administrators scaling memory capacity in this specific server.

Sustained-load behaviour

Registered buffering reduces electrical load on the memory controller during continuous operation. The 1.1V operating voltage limits power draw while the modules run at 6400MHz with CL52 latency. ECC corrects single-bit errors in real time, preventing silent data corruption under long-running compute tasks. No heat spreaders are fitted, so chassis airflow must handle module thermals.

Deciding specification

The kit is validated only for the Supermicro GPU A+ Server AS-8126GS-NB3RT; other platforms are not qualified. Buyers deploying different server models must verify compatibility before purchase.

How it compares

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

Price $18,165.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (8 × 64 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $35.48 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 numberMR51200-924K8
Total capacity512 GB (8 × 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 items512 GB (8 × 64 GB) DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How much power does the 1.1V DDR5 kit draw when the server runs continuously?

Each module operates at 1.1V, so the eight 64GB RDIMMs together run at the standard DDR5 voltage without extra cooling requirements.

What motherboard feature must the Supermicro AS-8126GS-NB3RT provide for these modules to function?

The board needs 288-pin DDR5 RDIMM slots that support ECC registered memory at 6400MHz with a 2Rx4 organisation.

Can the 6400MHz CL52 registered DIMMs share channels with slower DDR5 modules already installed?

All slots must run at the same speed and timing; mixing different DDR5 speeds or latencies will force the system to the lowest common setting.

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