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Eight green DDR5 RDIMM modules in anti-static packaging

NEMIX RAM

NEMIX RAM 1TB DDR5 6400 8x128GB CL52 1.1V 2Rx4 ECC RDIMM Supermicro H14DSH memory upgrade

SKU CH-ZRYD-J91HM

Eight 128 GB DDR5 registered ECC RDIMMs deliver 1 TB at 6400 MT/s with CL52 latency and 1.1 V operation for the Supermicro H14DSH

  • 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
  • DDR5-6400 speed with CL52 latency
  • 1V registered ECC for data integrity
  • 2Rx4 288-pin RDIMM fits Supermicro H14DSH
  • Major OEM Samsung, Micron, Hynix chips

Exact-match 1 TB DDR5 kit

This 1 TB kit contains eight 128 GB DDR5 6400 Registered ECC RDIMMs built for the Supermicro H14DSH motherboard. The 2Rx4 rank structure, 1.1 V operating voltage and CL52 timing match the board's memory-controller requirements so the full capacity is recognised at rated speed. It is intended for administrators who need maximum supported memory in that specific platform. ||

Sustained-load behaviour

Registered buffering offloads the memory controller, allowing all eight slots to remain fully populated at 6400 MT/s without signal degradation. ECC detects and corrects single-bit errors on the fly, preventing silent data corruption during long-running workloads. The modules run at the standard 1.1 V, so thermal output stays within the server's designed cooling envelope. ||

Installation notes

The 288-pin RDIMM form factor fits only the H14DSH's registered DIMM slots; UDIMM or SODIMM modules will not seat. Population order is defined by the motherboard manual and must be followed exactly or the system will not post. No heat spreaders are present, so airflow across the bare modules must be maintained by the chassis fans.

How it compares

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

Price $35,461.99
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 $35.46 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

How much power does the 1.1 V DDR5 kit draw when the H14DSH runs fully populated 24/7?

Each module operates at 1.10 V. Registered ECC RDIMMs reduce electrical load on the memory controller, so eight 128 GB sticks stay within the board's power budget during continuous operation.

What must the H14DSH already have to accept this 8 x 128 GB RDIMM kit?

The motherboard needs eight free 288-pin DDR5 RDIMM slots and a BIOS that supports 2Rx4 registered ECC modules at 6400 MT/s. No UDIMM or SODIMM slots will work.

Will the CL52 6400 MT/s modules down-clock automatically if I keep older DDR5 RDIMMs in the same H14DSH?

The board runs all populated slots at a single common speed. Mixing different DDR5 RDIMM speeds forces the faster kit to run at the slower modules' highest supported rate.

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