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Two green DDR5 RDIMM modules with gold contacts and black chips

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR5 4800 CL40 2Rx4 ECC RDIMM for Dell PowerEdge XE9680

SKU CH-BBC4-R4D6A

Dual 64 GB DDR5 ECC RDIMM kit runs at 4800 MT/s CL40 for Dell PowerEdge XE9680 servers

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128GB total capacity from two 64GB modules for large memory configurations
  • DDR5 4800 speed with CL40 latency for server workload performance
  • ECC registered RDIMM design detects and corrects data errors
  • 10V operation reduces power draw in dense deployments
  • Validated for Dell PowerEdge XE9680 compatibility and stability

128GB DDR5 ECC RDIMM kit

This 128GB kit contains two 64GB DDR5 4800 registered DIMMs built with ECC for error correction. It is validated for the Dell PowerEdge XE9680 server platform where registered memory is required. System administrators expanding memory capacity in that chassis can install the pair directly.

Thermals noise and power at 1.1V

Operating at 1.10V, the modules draw minimal power and produce little heat without a heat spreader. Passive airflow in a populated server chassis is sufficient for normal workloads. No active cooling or additional fan headers are needed for the memory itself.

Kit contents and compatibility assurance

The package includes the two 288-pin RDIMMs and no extra cables, software or mounting hardware. Each module is stress-tested under load before shipping to verify stability in the target system. Buyers needing non-ECC memory or a different form factor should select another product.

How it compares

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

Price $3,417.99
Pricier than about 74% 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 $26.70 per GB
Pricier than about 74% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineDell Server/Workstation Compatible Series Memory
Model nameDell DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-924K2
Total capacity128 GB (2 × 64 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsDell
In the box
Included items128 GB (2 × 64 GB) DDR5 4800 MHz PC5-38400 2Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How do I install the 288-pin DDR5 RDIMM modules in the Dell PowerEdge XE9680?

Power down the server, open the chassis, align each 288-pin DDR5 RDIMM with the slot key notch, press firmly until the retention clips lock, then close the chassis and power on.

Will the ECC registered RDIMM modules require any firmware updates or component replacements over time?

The modules have no moving parts or batteries; ECC registered RDIMMs do not need firmware updates or scheduled replacements under normal operation.

At what point does the CL40 latency become the limiting factor during sustained workloads?

CL40 sets the minimum access delay; under continuous heavy load the 40-cycle latency is the first timing constraint encountered before bandwidth saturation.

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