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Twelve bare green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 768GB 12x64GB DDR5 6400 CL52 1.1V ECC RDIMM Supermicro H14SSL-N

SKU CH-8EGC-RY70P

768 GB server memory kit with twelve 64 GB DDR5-6400 ECC registered DIMMs at CL52 and 1.1 V for the Supermicro H14SSL-N

  • Total capacity768 GB (12 × 64 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 768GB 12X64GB

Show 24 more
  • 768 GB total capacity from twelve 64 GB modules
  • DDR5 6400 speed with CL52 latency at 1.1 V
  • ECC and registered design prevents data errors under full load
  • 288-pin RDIMM form factor matches Supermicro H14SSL-N requirements
  • Major OEM DRAM chips from Samsung, Micron or Hynix

Server memory kit for Supermicro H14SSL-N

This 768GB kit contains twelve 64GB DDR5 RDIMM modules rated at 6400 MT/s with CL52 latency. Registered ECC architecture and 1.10V operation match the H14SSL-N memory controller requirements for full-capacity recognition. Designed for administrators upgrading compatible Supermicro platforms with validated population rules.

Thermals noise and power draw in normal use

Modules run at the standard 1.10V DDR5 voltage without heat spreaders, relying on chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller when all twelve slots are populated. No active cooling components are present so acoustic output depends entirely on system fans.

Build quality connectors and daily implications

Twenty-eight-eight-pin RDIMM form factor fits only registered DIMM slots; UDIMM or SODIMM boards will not accept these modules. Major OEM Samsung Micron Hynix components provide enterprise-grade reliability. ECC corrects single-bit errors on the fly while registered signalling maintains signal integrity across a fully populated twelve-slot configuration.

How it compares

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

Price $26,499.99
Pricier than about 92% of the 21,161 comparable items (median $397.99).
Total capacity 768 GB (12 × 64 GB)
Higher than about 92% of the 20,941 comparable items (median 32 GB).
Price per GB $34.51 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 numberMR51200-924K12
Total capacity768 GB (12 × 64 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items768 GB 12 × 64 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How do I install the 12 288-pin DDR5 RDIMM modules in the Supermicro H14SSL-N and which population step is most often missed?

Fill all twelve slots following the motherboard manual's exact DIMM population order; the step most often missed is skipping the prescribed sequence, which prevents the memory controller from recognising the full 768 GB at DDR5 6400.

What maintenance or replacement will the 2Rx4 registered ECC kit need during its service life?

No routine maintenance is required; the registered ECC design corrects single-bit errors on the fly, and a module is only replaced if it fails, which is covered by the lifetime replacement warranty.

What limit appears first when the 1.1 V DDR5 6400 CL52 kit runs fully populated under sustained load?

The memory controller's maximum supported capacity and speed with twelve 2Rx4 ranks is the first limit; the board's population rules cap the configuration at 768 GB and DDR5 6400.

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