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Two green DDR5 RDIMM modules with black chips no heat spreader

NEMIX RAM

NEMIX RAM DDR5 4800 ECC Registered RDIMM 128GB (2x64GB) Supermicro H14DSH memory upgrade

SKU CH-16GQ-5YAB5

A 128 GB DDR5-4800 registered ECC kit (2×64 GB, 2Rx4, CL40, 1.1 V) validated for the Supermicro H14DSH motherboard

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 128GB 2X64GB

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  • 128 GB kit runs at full DDR5-4800 speed with CL40 timing
  • Registered ECC design corrects single-bit errors to prevent silent data corruption
  • 2Rx4 dual-rank modules let every slot reach full 64 GB capacity
  • 1 V operation matches Supermicro H14DSH memory-controller requirements
  • 288-pin RDIMM form factor fits the board's approved population rules

Supermicro H14DSH upgrade kit

This 128GB kit contains two 64GB DDR5 4800 registered ECC RDIMMs built for the Supermicro H14DSH motherboard. Each module uses a 2Rx4 organisation at 1.1V with CL40 timing so the memory controller recognises the full capacity immediately. The 288-pin RDIMM form factor matches the board's slot requirements exactly.

Thermals noise and power

Operating at 1.1V keeps power draw low for dense server configurations. Registered buffering reduces electrical load on the memory controller when all slots are populated. No heat spreaders are fitted so airflow across the bare PCB handles cooling in standard chassis designs.

Build and daily handling

Modules use major OEM Samsung Micron or Hynix chips selected for enterprise stability. ECC corrects single-bit errors on the fly preventing silent data corruption. Registered architecture allows full population without signal degradation. Verify your motherboard manual for approved population order before installation.

How it compares

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

Price $3,230.99
Pricier than about 74% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $25.24 per GB
Pricier than about 70% 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 numberMR38400-924K2
Total capacity128 GB (2 × 64 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB 2 × 64 GB DDR5 4800 MHz PC5-38400 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How do I install the 2Rx4 DDR5 4800 RDIMMs on the Supermicro H14DSH and which slot order is the common mistake?

Install one 64 GB module per channel following the H14DSH population table; the frequent error is placing both DIMMs in the same channel instead of splitting them across channels.

What maintenance or replacement will the 128 GB DDR5 ECC RDIMM kit need during its service life?

No scheduled maintenance is required; the modules carry a lifetime replacement warranty so a failed stick is swapped rather than serviced.

What limit appears first when the 1.1 V DDR5 4800 RDIMMs run fully populated under sustained load?

The memory controller's maximum supported capacity per socket is reached before thermal or bandwidth limits become an issue.

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