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A green printed circuit board with black memory chips and gold edge connectors

NEMIX RAM

NEMIX RAM 32GB DDR4 3200 ECC RDIMM 2Rx4 Supermicro H12SST-PS EPYC memory upgrade

SKU CH-AWPM-3DXZH

32 GB DDR4 3200 ECC registered DIMM for Supermicro H12SST-PS EPYC systems

  • 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 lowers power draw per module
  • 2Rx4 288-pin RDIMM fits Supermicro H12SST-PS slots

Single-module server upgrade

This NEMIX RAM module adds 32 GB of DDR4 3200 ECC registered memory to a Supermicro H12SST-PS motherboard running AMD EPYC processors. The single 288-pin RDIMM is built with major OEM chips and operates at 1.2 V with CL22 latency for stable server workloads.

Rank and voltage profile

The 2Rx4 organisation and registered buffer reduce electrical load on the memory controller, allowing higher total capacities in multi-socket EPYC platforms. ECC protection corrects single-bit errors automatically, which is essential for data integrity in mission-critical environments.

Tool-free DIMM installation

The module seats in standard DDR4 RDIMM slots without extra cables or brackets; align the key notch and press until the latches click. Common issues include mixing registered and unbuffered DIMMs or populating slots in the wrong sequence, so follow the motherboard manual for population order.

How it compares

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

Price $289.99
Cheaper than about 55% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $9.06 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

Will the registered ECC RDIMM require any periodic maintenance or component replacement during its service life?

The module has no moving parts or heat spreader, so it needs no routine maintenance; if a chip fails the entire stick must be replaced under the lifetime replacement warranty.

What is the first limit reached when the memory runs continuously at DDR4 3200 CL22 1.20 V?

Sustained operation is bounded by the JEDEC voltage and timing envelope — 1.20 V and CL22 at 3200 MT/s — beyond which the registered buffer cannot guarantee error-free throughput.

How much heat and noise does a single 32 GB 2Rx4 RDIMM produce when the server runs all day?

With no heat spreader and a low 1.20 V operating point, the module adds minimal thermal load and generates zero acoustic noise; system airflow handles the small amount of heat it dissipates.

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