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Green bare circuit board DDR4 RDIMM module with black memory chips and gold edge connectors

NEMIX RAM

NEMIX RAM 32GB DDR4 3200 PC4-25600 2Rx4 1.2V CL22 288-Pin ECC RDIMM Supermicro H11SSW-iN memory upgrade

SKU CH-N8ZX-1Y4FY

A 32GB DDR4 3200 registered ECC RDIMM built for Supermicro H11SSW-iN servers with AMD EPYC processors

  • Total capacity32 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 32 GB capacity expands server memory for heavy workloads
  • DDR4 3200 speed delivers high data throughput for EPYC platforms
  • ECC registered design corrects errors to protect data integrity
  • 2 V operation reduces power draw in dense configurations
  • 288-pin RDIMM form factor fits Supermicro H11SSW-iN motherboards

Supermicro H11SSW-iN 32GB DDR4 module

This 32GB DDR4 3200 registered DIMM is built for the Supermicro H11SSW-iN motherboard and AMD EPYC server platforms. It delivers ECC protection and registered signalling for stable operation in mission-critical workloads. The single-module design fits one 288-pin slot and runs at 1.2V.

Sustained load behaviour with ECC registered design

Registered buffering reduces electrical load on the memory controller during continuous operation. ECC corrects single-bit errors in real time, preventing data corruption under heavy, long-running tasks. CL22 latency and 3200 MT/s throughput maintain consistent bandwidth without throttling. The module is stress-tested under load to verify reliability in 24/7 environments.

Upgrade from lower-capacity or non-ECC DDR4 RDIMMs

Replacing smaller RDIMMs with this 32GB stick increases total memory per channel for virtualisation, databases and large datasets. The jump is worthwhile when the platform supports 2Rx4 registered modules and the workload exceeds current capacity. Systems requiring unbuffered memory or non-ECC operation cannot use this module.

How it compares

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

Price $316.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $9.91 per GB
Typical for this category: the median of 20,941 items is $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 numberMR25600-324K1
Total capacity32 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 items32 GB (1 × 32 GB) DDR4 3200 MHz PC4-25600 2Rx4 1.2 V CL22 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

How much heat does the 1.2V DDR4 module add when the server runs continuously?

At 1.2V the registered DIMM draws less power than higher-voltage DDR4, so thermal load inside a Supermicro H11SSW-iN chassis stays low even under 24-hour workloads.

What motherboard feature must already be present for this ECC RDIMM to function?

The board must provide registered DDR4 slots with ECC support — the H11SSW-iN meets that requirement.

Will the CL22 3200 stick run at its rated speed beside older DDR4 ECC RDIMMs I keep installed?

All modules negotiate a common JEDEC speed; the system will operate at the lowest rated frequency among the installed DIMMs.

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