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Two green DDR5 RDIMM modules in a clear plastic tray

NEMIX RAM

NEMIX RAM 128GB (2 x 64GB) DDR5 6400 CL52 2Rx4 ECC RDIMM for Supermicro H14DSH memory upgrade

SKU CH-TWP3-1AN2W

128GB DDR5-6400 2Rx4 ECC registered RDIMM kit validated for Supermicro H14DSH servers

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 128 GB total capacity from two 64 GB modules for maximum server density
  • DDR5 6400 speed with CL52 latency delivers rated throughput on H14DSH
  • Registered ECC architecture corrects single-bit errors and stabilises fully populated slots
  • 2Rx4 organisation at 1.1 V matches the motherboard's memory-controller expectations
  • 288-pin RDIMM form factor fits the Supermicro H14DSH DIMM slots exactly

Supermicro H14DSH DDR5 upgrade

This 128 GB kit delivers two 64 GB DDR5-6400 registered ECC RDIMMs built to the exact rank, voltage and timing the H14DSH memory controller expects. It targets administrators who need maximum supported capacity in a validated configuration for production servers.

Sustained-load behaviour

Registered buffering offloads the memory controller so every slot runs fully populated at rated speed without signal degradation. ECC corrects single-bit errors on the fly, preventing silent data corruption and unplanned reboots during continuous enterprise workloads.

Replaces smaller or slower kits

The 2Rx4 organisation and CL52 latency match the board's population rules, so the jump is worthwhile when moving from lower-capacity or mixed-rank modules that limit total memory or force downclocking. Buyers who need unbuffered UDIMMs or non-ECC memory cannot use this kit.

How it compares

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

Price $3,880.99
Pricier than about 76% 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 $30.32 per GB
Pricier than about 87% 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 numberMR51200-924K2
Total capacity128 GB (2 × 64 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 items128 GB 2 × 64 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How much power does the 1.10V DDR5 kit draw when the Supermicro H14DSH runs fully populated all day?

The kit operates at the standard DDR5 voltage of 1.10V; registered ECC modules reduce electrical load on the memory controller so every slot can stay populated at the rated 6400 MT/s without exceeding the platform's power budget.

What must the Supermicro H14DSH already provide for this 288-pin RDIMM kit to function?

The motherboard needs DDR5 RDIMM slots wired for registered ECC memory, a memory controller that accepts 2Rx4 organization, and BIOS support for the 6400 MT/s data rate and CL52 timing.

Will the 2Rx4 registered ECC modules work beside other DDR5 DIMMs I keep in the remaining slots?

Registered ECC architecture lets the controller drive a fully populated array at 6400 MT/s; mixing ranks is supported when the board's population rules are followed, so the kit can share channels with compatible DDR5 RDIMMs.

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