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Green rectangular DDR4 memory module with gold edge connector and black chips, no heat spreader

NEMIX RAM

NEMIX RAM 16GB DDR4 3200 ECC RDIMM 2Rx8 Supermicro H12SSW-NT EPYC memory upgrade

SKU CH-27CK-6WJ87

16 GB DDR4 3200 ECC registered RDIMM, 2Rx8 CL22 at 1.2 V, validated for Supermicro H12SSW-NT EPYC platforms

  • Total capacity16 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 16GB DDR4 3200 capacity speeds up server workloads
  • ECC registered design protects data integrity in mission-critical systems
  • 2Rx8 dual-rank organisation boosts memory throughput
  • 2V low voltage reduces power draw and heat
  • Supermicro H12SSW-NT validated compatibility ensures stable operation

NEMIX RAM 16GB DDR4 3200 ECC RDIMM

This 16GB DDR4 3200 module is built for Supermicro H12SSW-NT motherboards running AMD EPYC processors. It targets system administrators and integrators who need registered ECC memory for stable server operation. The single stick format suits incremental capacity increases.

Registered ECC with 2Rx8 organisation

The module operates as a 288-pin RDIMM at 1.2V with CL22 latency and a 2Rx8 rank layout. Registered buffering and on-die ECC protect data integrity under sustained load, which is the decisive factor for compatibility with the target platform. Unbuffered or non-ECC alternatives will not function in this system.

Straightforward DIMM installation

Installation follows standard server DIMM procedure: power down, open the chassis, align the keyed 288-pin edge connector, and press until the ejector tabs lock. The most common issue is mixing registered and unbuffered modules or populating slots in an order the motherboard firmware does not support, so consult the board manual for the approved population sequence.

How it compares

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

Price $126.99
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 $7.94 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 numberMR25600-628K1
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

What does the 3200 MT/s rating mean once the module is installed in a Supermicro H12SSW-NT system?

The module runs at DDR4 3200 with CL22 latency, delivering PC4-25600 bandwidth when the EPYC memory controller trains it at that speed.

How does the registered ECC interface affect what the memory controller can do?

The 2Rx8 registered DIMM presents a buffered load to the EPYC controller, enabling ECC error correction and allowing higher total capacity per channel.

What physical slot and keying does the 288-pin RDIMM require?

It fits a standard DDR4 288-pin RDIMM socket; the registered key notch prevents insertion into UDIMM or SODIMM slots.

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