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Sixteen green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 2TB (16 x 128GB) DDR5 5600 CL46 2Rx4 ECC Registered RDIMM memory upgrade for Supermicro H14DSH

SKU CH-HEJ1-74X37

2TB kit of sixteen 128 GB DDR5-5600 registered ECC RDIMMs at CL46 and 1.1 V, built for the Supermicro H14DSH motherboard

  • Total capacity2 TB (16 × 128 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 2TB 16X128GB

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  • 2TB capacity for memory-intensive workloads backed by 16 modules of 128GB each
  • DDR5 5600 speed delivers rated throughput with PC5-44800 bandwidth specification
  • Registered ECC architecture corrects single-bit errors while buffering signals for full-slot stability
  • 2Rx4 dual-rank organization matches controller expectations for reliable recognition at full population
  • 1V operating voltage aligns with DDR5 standard for efficient server deployment

2 TB DDR5 ECC RDIMM kit

This 2 TB kit contains sixteen 128 GB DDR5 registered DIMMs rated at 5600 MT/s with CL46 latency. It is built for the Supermicro H14DSH motherboard and targets administrators who need maximum registered ECC capacity in a single validated package.

DDR5 registered limits

DDR5 registered modules shift electrical load from the memory controller to the onboard register, allowing full population of every slot at the rated 5600 MT/s speed. The 1.1 V operating voltage is fixed by the DDR5 RDIMM standard, so the kit cannot run at lower voltages or at speeds the platform does not officially support.

Build and daily handling

Each module uses a bare 288-pin PCB without a heat spreader, relying on server chassis airflow for cooling. The 2Rx4 organisation and registered buffer mean the DIMMs must be installed in the exact population sequence the H14DSH manual specifies; incorrect order will prevent the system from recognising the full 2 TB capacity.

How it compares

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

Price $63,874.99
Pricier than about 98% of the 21,161 comparable items (median $397.99).
Total capacity 2 TB (16 × 128 GB)
Higher than about 99% of the 20,941 comparable items (median 32 GB).
Price per GB $31.94 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 numberMR44800-724K16
Total capacity2 TB (16 × 128 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 items2 TB 16 × 128 GB DDR5 5600 MHz PC5-44800 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

Should I choose the 16 x 128 GB kit or a smaller capacity for my Supermicro H14DSH?

The 16 x 128 GB kit delivers the full 2 TB capacity this board supports when every DIMM slot is populated with registered ECC modules.

What does the DDR5 5600 CL46 rating mean once the modules are installed?

The memory controller will run each module at 5600 MT/s with a CAS latency of 46 cycles at the standard 1.1 V, giving the rated PC5-44800 bandwidth.

How does the 288-pin RDIMM interface and registered design affect real-world limits?

The registered architecture buffers address and command signals so all 16 slots can run at the full 5600 MT/s without signal degradation.

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