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Eight green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM DDR5-6400 1TB (8x128GB) ECC RDIMM CL52 1.1V 2Rx4 Supermicro H13DSH

SKU CH-8E14-QFVX7

Eight 128 GB DDR5-6400 ECC registered RDIMMs at CL52 and 1.1 V for the Supermicro H13DSH

  • Total capacity1 TB (8 × 128 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 1TB capacity across eight 128GB modules for maximum server density
  • DDR5-6400 CL52 at 1.1V delivers rated speed without tuning
  • Registered ECC architecture prevents silent data corruption under full load
  • 2Rx4 288-pin RDIMM form factor matches Supermicro H13DSH slot requirements
  • Major OEM Samsung, Micron, or Hynix chips ensure enterprise-grade reliability

Exact-fit DDR5-6400 kit for Supermicro H13DSH

This 1 TB kit contains eight 128 GB DDR5-6400 registered ECC RDIMMs built to the 2Rx4, 1.10 V, CL52 specification the H13DSH memory controller expects. It targets administrators who need maximum supported capacity in every slot without manual tuning.

Replaces mixed-capacity or slower DDR5 populations

When a server runs partially populated channels or lower-speed modules, the memory controller down-clocks the entire bus. Installing this matched 8-module kit restores full-channel bandwidth at the rated 6400 MT/s and removes the latency penalty of rank-mismatched DIMMs.

Delivers 1 TB across eight channels for dense

The registered architecture keeps electrical loading low so all eight slots operate at rated speed, while ECC corrects single-bit errors in flight. Workloads that exceed 1 TB per socket or require more than eight DIMM slots per processor will need a platform with higher capacity limits.

How it compares

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

Price $34,547.99
Pricier than about 94% of the 21,161 comparable items (median $397.99).
Total capacity 1 TB (8 × 128 GB)
Higher than about 93% of the 20,941 comparable items (median 32 GB).
Price per GB $34.55 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 numberMR51200-724K8
Total capacity1 TB (8 × 128 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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items1 TB 8 × 128 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will the 288-pin DDR5 RDIMM modules fit the Supermicro H13DSH memory slots?

Yes, the kit uses the exact 288-pin Registered DDR5 form factor that the H13DSH requires; it is not a UDIMM or SODIMM and matches the board's physical slot keying.

What is the correct population order when installing all eight 128GB modules on the H13DSH?

Install the modules in the sequence specified in the H13DSH manual — typically filling one DIMM per channel first, then the second slot per channel — so the memory controller recognises the full 1TB at DDR5-6400 CL52.

Do the modules need active cooling or heat-spreader replacement over time?

The modules ship without heat spreaders and rely on the server's chassis airflow; as long as the system fans maintain the rated 1.10V operating temperature, no additional cooling or spreader replacement is required.

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