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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 768GB (12x64GB) DDR5 6400 CL52 2Rx4 ECC RDIMM Supermicro H13SST-G memory upgrade

SKU CH-VZG4-56SDA

768GB kit of twelve 64GB DDR5 6400 CL52 2Rx4 ECC registered RDIMMs at 1.1V for Supermicro H13SST-G

  • Capacity768GB (12 x 64GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes
  • 768 GB total capacity from twelve 64 GB modules for maximum server memory density
  • DDR5 6400 speed with CL52 latency delivers rated bandwidth at 1.10 V
  • 2Rx4 Registered ECC architecture offloads the controller and corrects single-bit errors on the fly
  • 288-pin RDIMM form factor matches Supermicro H13SST-G slot and population rules exactly
  • Built with major OEM Samsung, Micron or Hynix DRAM chips for enterprise-grade reliability

Targeted server upgrade

This 768 GB kit contains twelve 64 GB DDR5 RDIMMs rated at 6400 MT/s with CL52 latency and 1.1 V operation. It is built as an exact-match upgrade for the Supermicro H13SST-G motherboard, using registered ECC modules that the platform's memory controller expects for full-capacity recognition.

Thermals and power draw

Registered buffering reduces electrical load on the memory controller, allowing all twelve slots to run populated at the rated 6400 MT/s speed. The modules operate at the standard DDR5 voltage of 1.1 V and carry no heat spreaders, relying on chassis airflow for cooling in typical server environments.

Build integration

The 288-pin RDIMM form factor fits only motherboards that require registered DIMMs; it will not work in UDIMM or SODIMM slots. ECC protection corrects single-bit errors on the fly, preventing silent data corruption, while the 2Rx4 organisation follows the board's population rules for full-capacity operation.

Highlights

  • 768 GB total capacity from twelve 64 GB modules for maximum server memory density
  • DDR5 6400 speed with CL52 latency delivers rated bandwidth at 1.10 V
  • 2Rx4 Registered ECC architecture offloads the controller and corrects single-bit errors on the fly
  • 288-pin RDIMM form factor matches Supermicro H13SST-G slot and population rules exactly
  • Built with major OEM Samsung, Micron or Hynix DRAM chips for enterprise-grade reliability

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-924K12
Capacity768GB (12 x 64GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL52
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content768GB 12X64GB DDR5 6400MHz PC5-51200 2Rx4 1.1V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the 12 DDR5 6400 RDIMMs in the Supermicro H13SST-G, and which population order do people often get wrong?

Follow the motherboard manual for the exact slot sequence; the 2Rx4 registered ECC modules must fill the approved channels in the specified order so the controller recognises all 768 GB at 6400 MT/s.

What maintenance or replacement will this 768 GB DDR5 ECC RDIMM kit need over its service life?

The modules have no heat spreaders and no moving parts; under normal server airflow they require no scheduled maintenance, and ECC corrects single-bit errors on the fly.

What limit appears first when the 12x 64 GB DDR5 6400 CL52 kit runs sustained workloads on the H13SST-G?

The memory controller’s maximum supported capacity and population rules cap usable memory before thermal or voltage limits become a factor.

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