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Four green DDR5 RDIMM modules with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 4800 ECC RDIMM Dell XE9680 memory upgrade

SKU CH-MN0X-3SMNF

128 GB DDR5 ECC registered server memory kit with four 32 GB modules at 4800 MHz CL40 for Dell PowerEdge XE9680

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128GB total capacity from four 32GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered design protects data integrity
  • 10V operating voltage for efficient power use
  • Validated for Dell PowerEdge XE9680 compatibility

System-specific server memory upgrade

This NEMIX RAM kit delivers 128GB of DDR5 ECC registered memory in a four-module configuration built for the Dell PowerEdge XE9680. Each 32GB module runs at 4800MHz with CL40 latency at 1.1V. The 2Rx8 organisation and 288-pin RDIMM form factor match the server's registered DIMM slots.

Replacing slower or smaller DDR5 RDIMMs

The upgrade makes sense when the existing configuration limits throughput for virtualisation, database or AI workloads that need registered ECC capacity. Moving from lower-speed DDR5 or partial population to a full 128GB kit at the platform's native 4800MHz removes a memory bottleneck without changing the memory generation.

Tool-less DIMM installation

Modules seat into the 288-pin RDIMM slots after the chassis cover is removed and the system is powered down. The registered buffer and ECC function initialise automatically during POST. The most common issue is mixing ranks or speeds across channels, so the full kit should be installed together and the firmware updated to the latest Dell revision beforehand.

How it compares

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

Price $3,527.99
Pricier than about 75% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $27.56 per GB
Pricier than about 77% 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 numberMR38400-328K4
Total capacity128 GB (4 × 32 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 rank2Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsDell
In the box
Included items128 GB (4 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Will the 288-pin DDR5 RDIMM modules fit the Dell PowerEdge XE9680 memory slots?

Yes, the 288-pin DDR5 RDIMM form factor matches the Dell PowerEdge XE9680 memory slots for direct installation.

What is the correct order to install the four 32GB modules in the Dell PowerEdge XE9680?

Populate the memory slots following the Dell PowerEdge XE9680 service manual channel sequence for optimal registered ECC operation.

When should the registered ECC RDIMM kit be replaced in a Dell PowerEdge XE9680?

Replace modules only if system diagnostics report correctable ECC errors exceeding thresholds or uncorrectable memory failures occur.

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