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Four green DDR5 RDIMM modules with gold contacts and black chips

NEMIX RAM

NEMIX RAM 512GB (4x128GB) DDR5 6400 CL52 ECC RDIMM Supermicro AS-8126GS-NB3RT

SKU CH-571R-TFDW2

512 GB DDR5 ECC registered server kit with four 128 GB modules at 6400 MT/s CL52 for the Supermicro AS-8126GS-NB3RT

  • Capacity512GB (4 x 128GB)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • Compatible SystemSupermicro
  • 512GB total capacity from four 128GB modules for heavy server workloads
  • DDR5 6400 speed with CL52 latency for responsive data handling
  • ECC registered design detects and corrects errors to protect critical data
  • 10V operation reduces power draw in dense configurations
  • Validated for Supermicro AS-8126GS-NB3RT GPU A+ Server compatibility

512GB DDR5 ECC RDIMM kit for Supermicro

This 512GB kit contains four 128GB DDR5 6400MHz registered ECC modules built for the Supermicro GPU A+ Server AS-8126GS-NB3RT. It targets administrators who need maximum registered memory capacity in that specific platform.

Installation and common issues

Modules are 288-pin DDR5 RDIMMs that seat in the server's standard DIMM slots; the kit ships as a matched set so population order follows the motherboard manual. The most frequent issue is mixing these registered sticks with unbuffered memory or populating slots in the wrong sequence, which prevents the system from posting.

Deciding specification: 1.1V CL52 2Rx4 registered

The combination of 1.1V operation, CL52 latency, dual-rank 2Rx4 organisation and registered ECC function determines whether the memory is electrically and logically compatible with the AS-8126GS-NB3RT memory controller.

Highlights

  • 512GB total capacity from four 128GB modules for heavy server workloads
  • DDR5 6400 speed with CL52 latency for responsive data handling
  • ECC registered design detects and corrects errors to protect critical data
  • 10V operation reduces power draw in dense configurations
  • Validated for Supermicro AS-8126GS-NB3RT GPU A+ Server compatibility

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-724K4
Capacity512GB (4 x 128GB)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemSupermicro
CAS LatencyCL52
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank2Rx4
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content512GB (4 x 128GB) DDR5 6400MHz PC5-51200 2Rx4 1.1V 288-PIN ECC RDIMM KIT

Questions about this item

How do I verify the kit is running at 6400 MT/s with CL52 after installation?

Enter the system BIOS or use a tool such as CPU-Z to confirm the memory operates at 6400 MT/s with timings of 52-52-52 at 1.10 V.

What is included in the package and is anything else required?

The box contains four 128 GB DDR5 288-pin ECC RDIMM modules for a total of 512 GB; no extra parts are needed for installation.

Which capacity configuration should I choose for the Supermicro AS-8126GS-NB3RT?

This kit provides the full 512 GB (4 × 128 GB) supported by the server; select it when you need the maximum registered ECC capacity.

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