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Four green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 6400 CL52 1.1V ECC Registered RDIMM Supermicro H14DSG-OD memory upgrade

SKU CH-DWHM-Q9ZJX

A 128GB DDR5 6400 CL52 ECC Registered RDIMM kit (4×32GB, 1.1V, 2Rx8) validated for the Supermicro H14DSG-OD motherboard

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 128 GB capacity across four 32 GB modules for high-density server workloads
  • DDR5 6400 speed with CL52 latency delivers rated throughput on supported platforms
  • 1 V registered ECC RDIMM design reduces electrical load and corrects single-bit errors
  • 288-pin 2Rx8 form factor matches Supermicro H14DSG-OD slot and population requirements
  • Major OEM Samsung Micron Hynix chips ensure consistent enterprise-grade reliability

Exact-match DDR5-6400 kit for Supermicro H14DSG-OD

This 128 GB kit contains four 32 GB DDR5 registered ECC RDIMMs rated at 6400 MT/s with CL52 latency and 1.10 V operation. It targets administrators who need to populate every slot on a Supermicro H14DSG-OD motherboard with modules the memory controller recognises at full speed and capacity.

Registered architecture

The 2Rx8 registered design buffers address and command signals so all four slots run fully populated without overloading the controller, while on-die ECC corrects single-bit errors before they cause silent data corruption or unexpected reboots.

Verify DIMM population rules before ordering

Server boards often restrict which slots must be filled first and limit total capacity per processor; consult the Supermicro H14DSG-OD manual for the approved population sequence and maximum supported memory per CPU to ensure the kit will be accepted.

How it compares

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

Price $5,174.99
Pricier than about 80% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $40.43 per GB
Pricier than about 90% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR51200-328K4
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB 4 × 32 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will the registered ECC RDIMM modules need any firmware updates or periodic replacement?

Registered ECC RDIMMs have no moving parts or firmware to update; they run for the life of the server unless a module fails, at which point the single 32 GB stick is replaced.

What limits sustained throughput on the 6400 MT/s DDR5 kit when all four slots are populated?

The memory controller on the Supermicro H14DSG-OD sets the maximum sustained bandwidth; the kit operates at its rated 6400 MT/s with CL52 latency as long as the board supports that population.

How much heat and power do the 1.1 V modules produce under continuous all-day load?

Each 32 GB module runs at 1.1 V without a heat spreader; registered buffering reduces electrical load on the controller, so total power draw and heat stay within standard DDR5 RDIMM limits for the platform.

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