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Green circuit board with black memory chips, gold edge connectors, no heat spreader

NEMIX RAM

NEMIX RAM 128GB DDR5 6400MHz ECC RDIMM 4Rx4 Supermicro Compatible memory upgrade

SKU CH-JZQD-4VC26

A 128GB DDR5 ECC RDIMM running at 6400MHz with CL52 latency and 1.1V operation for Supermicro servers

  • Total capacity128 GB
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Memory rank4Rx4
  • 128 GB capacity fits dense workloads in a single module
  • DDR5 6400 MHz speed delivers high bandwidth for data-intensive tasks
  • ECC registered design corrects errors to protect critical server data
  • 1 V operation reduces power draw per module
  • Validated for Supermicro X14SBW-F compatibility

NEMIX RAM 128GB DDR5 6400MHz ECC RDIMM

This 128GB DDR5 6400MHz ECC RDIMM module is built for Supermicro X14SBW-F servers and workstations. It delivers registered error-correcting memory for mission-critical workloads that demand data integrity and high capacity. The single-module kit suits IT professionals upgrading compatible enterprise platforms.

Upgrading from lower-capacity

Replacing smaller DDR5 RDIMMs with this 128GB 4Rx4 module increases total memory bandwidth and rank density for virtualisation, AI inference or database tasks. The jump is worth it when the motherboard supports 4Rx4 population rules and the application benefits from registered ECC at 6400MHz.

Installing the 288-pin RDIMM into the X14SBW-F

Align the notch on the 288-pin DDR5 module with the slot key, press firmly until the ejector tabs lock, then verify the BIOS recognises 6400MHz CL52 operation at 1.1V. Common issues include mixing ranks that the board does not support or failing to enable ECC in firmware.

How it compares

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

Price $4,476.99
Pricier than about 78% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $34.98 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 lineSupermicro Compatible Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server RAM
Part numberMR51200-744K1
Total capacity128 GB
Product type288-PIN DDR5 RDIMM
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank4Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB (1 × 128 GB) DDR5 6400 MHz PC5-51200 4Rx4 1.1 V 288-PIN ECC RDIMM

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