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Green bare circuit board DDR5 memory module 128GB 288-pin registered ECC

NEMIX RAM

NEMIX RAM 128GB DDR5 4800 CL40 4Rx4 1.1V 288-Pin ECC RDIMM Dell Precision 7875

SKU CH-M86P-X9RX8

A 128 GB DDR5 4800 registered ECC module built for Dell Precision 7875 workstations

  • Capacity128GB
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 128 GB capacity supports large datasets and virtualization
  • DDR5 4800 speed delivers high bandwidth for demanding workloads
  • ECC registered design protects data integrity in critical applications
  • 1 V operation reduces power draw and heat output
  • Validated for Dell Precision 7875 workstation compatibility

128GB DDR5 ECC RDIMM for Dell Precision 7875

This registered DDR5 module delivers 128GB of ECC memory for the Dell Precision 7875 workstation. It targets IT professionals and organisations that need maximum single-slot capacity for memory-intensive server and workstation workloads. The 4Rx4 organisation allows high density in a single 288-pin RDIMM. Buyers who need non-ECC memory or a different form factor cannot use this module.

DDR5 4800 registered ECC constraints

The module operates at DDR5 4800 (PC5-38400) with CL40 latency at 1.1V. Registered ECC design adds a buffer that increases stability but requires a motherboard chipset and BIOS that support registered DIMMs and the 4Rx4 rank configuration. Mixing with unbuffered or lower-rank DIMMs will prevent the system from posting. The platform must also accept 1.1V DDR5 operation.

Tool-free DIMM installation and common issues

Installation is a standard DIMM slot insertion that typically takes minutes; align the notch, press evenly until the retention clips engage, and consult the Dell Precision 7875 manual for approved population rules. The most frequent problems are failing to populate slots in the supported sequence for 4Rx4 modules, leaving the module partially seated, or using a BIOS version that does not yet recognise the rank density.

Highlights

  • 128 GB capacity supports large datasets and virtualization
  • DDR5 4800 speed delivers high bandwidth for demanding workloads
  • ECC registered design protects data integrity in critical applications
  • 1 V operation reduces power draw and heat output
  • Validated for Dell Precision 7875 workstation compatibility

Specifications

BrandNEMIX RAM
SeriesDell Server/Workstation Compatible Series Memory
ModelDell DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-744K1
Capacity128GB
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemDell
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank4Rx4
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content128GB (1X128GB) DDR5 4800MHZ PC5-38400 4Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Should I choose the single 128GB module or look for a kit with multiple sticks?

This listing is a single 128GB stick (1x128GB). The Dell Precision 7875 has eight DDR5 slots, so you can add up to eight of these modules to reach the platform maximum.

What does the 4800MHz rating actually deliver in the Dell Precision 7875?

The module runs at DDR5 4800 (PC5-38400) with CL40 latency at 1.1V. The workstation's memory controller will operate it at this rated speed when installed in a supported slot configuration.

How does the 288-pin ECC RDIMM interface affect compatibility and capacity limits?

The 288-pin DDR5 RDIMM form factor with 4Rx4 organisation and ECC is required by the Precision 7875. Registered buffering allows the system to support high total capacities across all eight memory channels.

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