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Sixteen green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM DDR5 768GB 16x48GB 6400MHz CL52 1.1V ECC RDIMM Supermicro H14DSH memory upgrade

SKU CH-X1ZD-SGDH7

16 registered ECC DDR5 modules totalling 768 GB at 6400 MHz with CL52 timing for Supermicro H14DSH servers

  • Total capacity768 GB (16 × 48 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 768 GB total capacity from sixteen 48 GB modules
  • DDR5 6400 speed with CL52 latency at 1.1 V
  • Registered ECC RDIMM architecture prevents data corruption under load
  • 288-pin 2Rx8 form factor matches Supermicro H14DSH requirements
  • Lifetime replacement warranty with US-based technical support

Exact-match DDR5 kit for Supermicro H14DSH

This 768GB kit delivers sixteen 48GB DDR5 RDIMMs rated at 6400MHz PC5-51200 with CL52 latency and 1.1V operation. Registered ECC architecture ensures data integrity and full-capacity recognition on the Supermicro H14DSH motherboard.

Thermals and power in normal use

Modules run at the standard DDR5 voltage of 1.10V without heat spreaders, relying on server chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller when all sixteen slots are populated.

Upgrade path and when it matters

Replaces smaller-capacity RDIMM sets or mixed-rank configurations that limit total memory or force lower speeds. The jump is worth it when workloads demand the full 768GB at the board's native 6400MHz with ECC protection active.

How it compares

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

Price $18,152.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 768 GB (16 × 48 GB)
Higher than about 92% of the 20,941 comparable items (median 32 GB).
Price per GB $23.64 per GB
Pricier than about 68% 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 numberMR51200-4828K16
Total capacity768 GB (16 × 48 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 items768 GB 16 × 48 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the 16 DDR5 RDIMM modules into the Supermicro H14DSH motherboard, and which population step is commonly missed?

Follow the motherboard manual for the exact DIMM population order; the board requires registered 288-pin DDR5 RDIMMs at 1.1V and CL52, and skipping the prescribed slot sequence prevents the 768GB kit from being recognized at full capacity.

What maintenance or replacement will the 16-module DDR5 ECC RDIMM kit need over its service life?

The modules have no heat spreaders and no moving parts, so routine maintenance is limited to keeping server airflow clean; ECC corrects single-bit errors automatically, and a module is only replaced if it develops uncorrectable faults.

What limit appears first when the 768GB DDR5 6400MHz kit runs sustained workloads on the H14DSH?

The registered 2Rx8 architecture offloads the memory controller so every slot runs fully populated at the rated 6400MHz speed; the first practical limit is the motherboard's maximum supported capacity and population rules, not the memory modules themselves.

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