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Green circuit board with gold edge connector and black memory chips, no heat spreader

NEMIX RAM

NEMIX RAM 128GB DDR5 5600 ECC RDIMM 2Rx4 CL46 1.1V Supermicro H14DSG-OM memory upgrade

SKU CH-654P-1A55Q

128 GB DDR5 5600 ECC registered DIMM with 2Rx4 organisation, CL46 timing and 1.1 V operation, validated for the Supermicro H14DSG-OM motherboard

  • Total capacity128 GB
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 128GB

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  • 128 GB DDR5-5600 capacity for memory-intensive server workloads
  • 2Rx4 Registered ECC architecture corrects single-bit errors on the fly
  • CL46 1.10 V timing matches the H14DSG-OM controller exactly
  • 288-pin RDIMM form factor fits the board's required slot type
  • Lifetime replacement warranty with US-based technical support included

Exact-match server upgrade

This 128GB DDR5 5600 Registered ECC RDIMM is built to the precise rank, voltage and timing the Supermicro H14DSG-OM memory controller expects. It installs as a direct replacement so the system recognises the full capacity and runs at its rated speed without manual tuning.

Single-module kit contents

The package supplies one 288-pin RDIMM rated at 1.1V CL46 2Rx4. No heat spreader, extra cables, software licences or additional sticks are included, so the only change is the memory capacity and registered ECC stability the board requires.

Straightforward slot installation

The module seats in the standard 288-pin DDR5 RDIMM slots following the motherboard population order. Most issues arise when the manual-specified sequence is ignored or when the board firmware has not been updated to support the full density.

How it compares

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

Price $3,997.99
Pricier than about 76% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $31.23 per GB
Pricier than about 90% of the 20,941 comparable items (median $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 lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR44800-724K1
Total capacity128 GB
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will the 128GB DDR5 RDIMM need a heat spreader added later?

The module ships without a heat spreader; standard server airflow across the 288-pin DDR5 slots is sufficient for the 1.1V operating voltage.

What limits sustained throughput on this 5600 MT/s ECC RDIMM?

The CL46 CAS latency and registered buffer set the timing ceiling; the memory controller on the Supermicro H14DSG-OM will run the kit at its rated 5600 speed when populated per the board's rules.

How much power and heat does the 128GB kit produce running all day?

At 1.1V the module draws low power for a 128GB DDR5 RDIMM; with no heat spreader it relies on chassis airflow, so typical server cooling keeps temperatures in normal range.

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