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Green rectangular circuit board with gold edge connectors and black memory chips

NEMIX RAM

NEMIX RAM 16GB DDR4 3200 ECC RDIMM 2Rx8 CL22 Supermicro H11DSi-NT

SKU CH-B09C-C35Q5

16 GB DDR4-3200 ECC registered RDIMM, CL22 2Rx8 at 1.2 V for Supermicro H11DSi-NT EPYC servers

  • Total capacity16 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • ECC protection prevents data corruption in critical workloads
  • Registered buffering reduces electrical load for stable server operation
  • DDR4 3200 speed delivers high bandwidth for demanding applications
  • 16 GB capacity expands memory for virtualization and databases
  • 2 V operation lowers power consumption in dense deployments

Server Memory Upgrade

This NEMIX RAM module provides 16 GB of DDR4 3200 registered ECC memory built for the Supermicro H11DSi-NT platform. The single 288-pin RDIMM operates at 1.2 V with CL22 latency and a 2Rx8 rank structure. It targets administrators who need to expand capacity on AMD EPYC dual-socket servers without mixing unbuffered DIMMs.

Replacing Lower-Capacity RDIMMs

The jump from 8 GB sticks to this 16 GB density doubles usable slots on the H11DSi-NT and raises total system memory without exceeding the board's registered DIMM requirement. It is worth the change when workloads such as virtualization or database caching hit the current ceiling and the motherboard still has free registered slots.

Straightforward Installation

The module seats like any standard DDR4 RDIMM; align the notch, press until the latches click, and the firmware recognises the new capacity at POST. Common issues appear when registered and unbuffered DIMMs are mixed or when the BIOS is too old to initialise 2Rx8 ranks at 3200 MT/s.

How it compares

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

Price $112.99
Cheaper than about 66% 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 $7.06 per GB
Cheaper than about 57% of the 20,941 comparable items (median $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

Will the 288-pin RDIMM fit the Supermicro H11DSi-NT memory slots?

Yes, the module is a 288-pin DDR4 RDIMM built for that motherboard.

What is the key step people miss when installing this ECC registered module?

Seat the stick fully until the retention clips click on both sides.

Does the 16 GB 2Rx8 module need any firmware update or battery replacement later?

No firmware or battery is required; the DRAM runs at 1.20 V for the system life.

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