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Green rectangular DDR4 RDIMM module, 288 pins, no heat spreader

NEMIX RAM

NEMIX RAM 16GB DDR4 3200 ECC RDIMM 2Rx8 CL22 Supermicro H12SST-PS

SKU CH-R473-X2849

16GB DDR4 3200 ECC registered DIMM, CL22 2Rx8 at 1.2V for Supermicro H12SST-PS

  • Total capacity16 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 16 GB DDR4 3200 ECC RDIMM protects server data integrity
  • Registered 2Rx8 CL22 module keeps multi-rank workloads stable
  • 20 V operation lowers power draw in dense racks
  • 288-pin form factor fits Supermicro H12SST-PS slots directly
  • Major OEM Samsung Micron Hynix chips deliver consistent reliability

Supermicro H12SST-PS Compatible Memory

This 16GB DDR4 3200 ECC RDIMM is built for the Supermicro H12SST-PS motherboard and AMD EPYC platforms. Registered operation and error-correcting code protect data integrity in server and workstation workloads. The single module uses a 2Rx8 organisation at 1.2V. It targets administrators who need validated compatibility for mission-critical systems.

Upgrade from non-ECC or slower DDR4

Replacing standard unbuffered memory with this registered ECC module adds error detection and correction for continuous operation. The jump is worth it when workloads demand uptime and data accuracy over raw latency. Systems already running DDR4 3200 gain reliability without changing speed. Builders using lower-speed DDR4 see both bandwidth and stability improvements.

Tool-free DIMM installation

The 288-pin RDIMM seats in standard DDR4 slots with a simple press until the latches click. No heat spreader means clearance is rarely an issue in dense chassis. Common mistakes include mixing registered and unbuffered modules or populating slots in the wrong order for the memory controller. Always follow the motherboard manual for population rules and BIOS settings.

How it compares

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

Price $127.99
Cheaper than about 64% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $8.00 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 numberMR25600-628K1
Total capacity16 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 rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSupermicro
In the box
Included items16 GB (1 × 16 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Will the 288-pin DDR4 RDIMM fit my Supermicro H12SST-PS motherboard slots?

Yes, the module uses the standard 288-pin DDR4 RDIMM form factor that matches the memory slots on the Supermicro H12SST-PS motherboard.

Do I need to change any BIOS settings when installing this 1.2V ECC registered memory?

Install the module with the system powered off; the motherboard will detect the 3200 MHz speed and CL22 timings automatically, and no manual voltage adjustment is required for the 1.2V specification.

How do I know when this 16 GB 2Rx8 module should be replaced in a server environment?

ECC corrects single-bit errors on the fly; if the system logs start showing uncorrectable multi-bit errors or repeated corrected-error thresholds, plan a replacement.

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