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Green circuit board DDR4 memory module with black chips, no heat spreader, 288 gold pins

NEMIX RAM

NEMIX RAM 32GB DDR4 3200 PC4-25600 2Rx4 1.2V CL22 288-Pin ECC RDIMM Supermicro H12SSW-iN EPYC

SKU CH-3PSK-23RGT

32 GB DDR4-3200 ECC registered DIMM for Supermicro H12SSW-iN EPYC servers

  • 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 headroom
  • DDR4 3200 speed matches EPYC platform specs
  • ECC registered design protects data integrity
  • 2 V operation reduces power draw
  • 288-pin RDIMM fits Supermicro H12SSW-iN motherboard

Server Memory for EPYC Platforms

This 32GB DDR4 3200 module is built for Supermicro H12SSW-iN motherboards running AMD EPYC processors. It delivers registered ECC reliability for workloads that cannot tolerate data corruption.

Registered ECC Integration

The 288-pin RDIMM plugs directly into compatible DDR4 slots and operates at 1.20V with CL22 timing. Registered buffering reduces electrical load on the memory controller, allowing larger total capacities per channel. No heat spreader is fitted, so airflow across the PCB must be provided by the chassis.

Upgrade from Smaller or Non-ECC Kits

Replacing lower-capacity unbuffered modules with this 32GB 2Rx4 stick increases density while adding error correction. The jump is worth it when virtualisation, database or scientific workloads demand both capacity and data integrity beyond what consumer memory provides.

How it compares

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

Price $313.99
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 $9.81 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

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

Does the CL22 latency create a bottleneck under sustained server workloads?

CL22 is the rated CAS latency at DDR4 3200; the module runs at 1.20V and is validated for continuous registered ECC operation on Supermicro H12SSW-iN EPYC platforms.

How much heat does the 32GB 2Rx4 RDIMM generate during all-day operation without a heat spreader?

The module operates at standard DDR4 1.20V with major OEM chips; registered ECC design distributes load across ranks, and server chassis airflow is expected to manage thermals.

What motherboard slot and CPU memory controller are required for this 288-pin DDR4 3200 ECC RDIMM to function?

A Supermicro H12SSW-iN or compatible EPYC motherboard with DDR4 RDIMM slots and registered ECC support is required; the module is a single 32GB 2Rx4 stick.

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