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Green rectangular DDR4 RDIMM module with black chips and gold edge connector

NEMIX RAM

NEMIX RAM 64GB DDR4 3200 ECC RDIMM 2Rx4 CL22 1.2V 288-Pin Supermicro H12SSW-iN EPYC memory upgrade

SKU CH-YT74-ZJE8J

A 64GB DDR4 3200 ECC registered DIMM validated for Supermicro H12SSW-iN EPYC platforms

  • Total capacity64 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 64GB capacity supports demanding server workloads
  • DDR4 3200 speed delivers high bandwidth for EPYC platforms
  • ECC registered design ensures data integrity under load
  • 2V operation reduces power draw in dense configurations
  • 2Rx4 288-pin RDIMM fits Supermicro H12SSW-iN motherboards

Target System

This 64 GB DDR4 3200 ECC RDIMM module is built for the Supermicro H12SSW-iN motherboard and AMD EPYC server platforms. It provides registered, error-correcting memory for workloads that demand data integrity and high capacity per slot.

Thermals Power Noise

The module runs at 1.2 V standard DDR4 voltage with no heat spreader fitted. Registered buffering and ECC logic add minimal overhead while maintaining signal stability under sustained server loads.

Upgrade Context

It replaces lower-capacity or non-ECC DDR4 RDIMMs in compatible Supermicro systems. The jump is worth it when expanding memory channels for virtualization, database or compute clusters that require registered ECC modules.

How it compares

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

Price $419.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $6.56 per GB
Cheaper than about 60% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSuperMicro DDR4 3200 MHz ECC RDIMM Registered Server Memory
Part numberMR25600-924K1
Total capacity64 GB
Product type288-Pin DDR4 RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSupermicro
In the box
Included items64 GB (1 × 64 GB) DDR4 3200 MHz PC4-25600 2Rx4 1.2 V CL22 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

How do I install the 288-Pin DDR4 RDIMM in the Supermicro H12SSW-iN, and which step is often missed?

Power down, open the chassis, align the notch on the 288-pin module with the slot key, press firmly until both retention clips click, then verify in BIOS that the 64GB module registers at 3200 MT/s with ECC active — the step most often missed is confirming the registered ECC mode in firmware.

What maintenance or replacement will the 64GB 2Rx4 module need over its service life?

No scheduled maintenance is required; the module has no heat spreader and runs at 1.20 V, so keep server airflow clean and monitor ECC corrected-error counters — replacement is only necessary if uncorrectable errors appear or capacity must increase.

What limit appears first when the RDIMM runs sustained workloads at 3200 MT/s CL22?

The primary limit is the CL22 latency ceiling at 3200 MT/s; sustained throughput is bounded by the 25600 MB/s data rate and the registered buffer, so heavy multi-threaded loads hit latency before thermal or voltage constraints.

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