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NEMIX RAM

NEMIX RAM 768GB 12x64GB DDR5 6400 CL52 1.1V 2Rx4 ECC RDIMM Supermicro H13DSH memory upgrade

SKU CH-0K2S-4T3BJ

A 768GB DDR5 ECC RDIMM kit of twelve 64GB modules at 6400 CL52, registered for full-capacity stability on Supermicro H13DSH

  • Total capacity768 GB (12 × 64 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 768 GB total capacity from twelve 64 GB modules for maximum server density
  • DDR5 6400 speed with CL52 latency delivers rated bandwidth at 1.1 V
  • Registered ECC architecture offloads the controller and corrects single-bit errors
  • 288-pin RDIMM form factor matches Supermicro H13DSH slot and population rules
  • Lifetime replacement warranty with US-based technical support included

Exact-match server kit

This 768GB kit contains twelve 64GB DDR5 6400 RDIMM modules built to the precise rank, voltage and timing the Supermicro H13DSH expects. Registered ECC architecture lets every slot run fully populated at rated speed while correcting single-bit errors on the fly. It is not for buyers who need UDIMM or SODIMM form factors, or who want consumer-style heat spreaders on each stick.

Thermals and power

Operating at 1.1V, the modules draw minimal power for their density and run without dedicated heat spreaders in normal server airflow. Registered buffering reduces electrical load on the memory controller, helping keep system power predictable during typical workloads. No active cooling is included, so chassis ventilation must handle the combined thermal output of twelve sticks.

Sustained load behavior

Under continuous utilisation the registered design maintains signal integrity across all twelve slots, preventing the timing drift that can appear with unbuffered memory at full population. ECC continues to catch and correct single-bit errors throughout extended runs, avoiding silent data corruption that would otherwise force unplanned reboots. The kit has no heat spreaders, so sustained throughput depends on consistent case airflow rather than module-level dissipation.

How it compares

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

Price $23,889.99
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 $31.11 per GB
Pricier than about 89% 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

Questions about this item

How do I install this 12-module DDR5 6400 RDIMM kit in a Supermicro H13DSH, and which population step is most often missed?

Follow the H13DSH manual's exact DIMM-population sequence; the step most often missed is filling the correct 12 slots in the prescribed order so the memory controller recognises all 768 GB at DDR5 6400 CL52.

What maintenance or replacement will this 2Rx4 ECC RDIMM kit need over its service life?

No routine maintenance is required; if a module fails, ECC logs will flag correctable errors and the lifetime replacement warranty covers a direct swap of the defective 64 GB DDR5 6400 stick.

What limit appears first when this 12 x 64 GB DDR5 6400 CL52 kit runs sustained workloads on the H13DSH?

The memory controller's maximum supported capacity and speed ceiling is reached first; the kit is specified to 768 GB at DDR5 6400 CL52 1.10 V, so sustained loads stay within that validated envelope.

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