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Four green DDR5 RDIMM modules with gold contacts and black chips, no heat spreader

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 4800 CL40 ECC RDIMM Dell PowerEdge XE9680 memory upgrade

SKU CH-JFDX-XWVHF

Adds 128 GB of DDR5 4800 ECC registered memory in four 32 GB modules for Dell PowerEdge XE9680 servers

  • Capacity128GB (4 x 32GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 128 GB total capacity across four 32 GB modules
  • DDR5 4800 speed rated at PC5-38400 for server workloads
  • ECC registered RDIMM design protects data integrity
  • Low 1.1 V operation reduces power draw
  • Validated for Dell PowerEdge XE9680 rack servers

System-Specific DDR5 RDIMM Kit

This NEMIX RAM kit provides 128GB of DDR5 4800 ECC registered memory across four 32GB modules. It is built for the Dell PowerEdge XE9680 rack server and operates at 1.1V with CL40 latency. The 288-pin RDIMM form factor and 2Rx8 organisation suit enterprise motherboards that require registered ECC modules.

For Dell PowerEdge XE9680 Upgrades

Administrators expanding memory in a Dell PowerEdge XE9680 will find this kit validated for that platform. It is not suited for consumer desktops, laptops or workstations that accept only unbuffered non-ECC DDR5. Builders needing lower capacities, higher speeds or different form factors should look elsewhere.

128GB Registered ECC Capacity

The four-module kit delivers 128GB total, giving headroom for virtualisation, large databases and compute workloads on the XE9680. Each 32GB module runs at DDR5 4800 with CL40 timing. Systems requiring more than 128GB per channel or speeds above 4800 MT/s will exceed this kit's rated specification.

Highlights

  • 128 GB total capacity across four 32 GB modules
  • DDR5 4800 speed rated at PC5-38400 for server workloads
  • ECC registered RDIMM design protects data integrity
  • Low 1.1 V operation reduces power draw
  • Validated for Dell PowerEdge XE9680 rack servers

Specifications

BrandNEMIX RAM
SeriesDell Server/Workstation Compatible Series Memory
ModelDell DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-324K4
Capacity128GB (4 x 32GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemDell
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank2Rx8
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content128GB (4X32GB) DDR5 4800MHZ PC5-38400 1Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Does the Dell PowerEdge XE9680 need a specific BIOS version to recognise the 4800 MT/s CL40 DDR5 ECC RDIMM kit?

The kit is validated for the Dell PowerEdge XE9680 and runs at the rated 4800 MT/s with CL40 timings at 1.1 V; install the modules and the server will train them automatically.

Will the 2Rx8 registered modules work in the same channels as existing 1Rx4 DDR5 RDIMMs?

Dell’s memory population rules allow mixing 2Rx8 and 1Rx4 RDIMMs within the same channel as long as each channel follows the supported rank-per-channel limits for the XE9680.

How can I verify the 128 GB kit is running at 4800 MT/s with ECC active after installation?

Check the POST memory summary or iDRAC inventory — both report speed, rank, ECC status and total capacity for every installed DIMM.

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