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Two green DDR5 RDIMM sticks with black chips, no heat spreader

NEMIX RAM

NEMIX RAM 256GB (2x128GB) DDR5 4800 ECC RDIMM Dell Precision 5860

SKU CH-E46X-GSARX

256 GB DDR5 ECC registered server memory kit with two 128 GB modules at 4800 MT/s, CL40, 1.1 V for Dell Precision 5860 workstations

  • Capacity256GB (2 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes
  • 256 GB capacity across two 128 GB modules for heavy workloads
  • DDR5 4800 speed with PC5-38400 bandwidth for fast data throughput
  • ECC registered design detects and corrects memory errors for reliability
  • 4Rx4 organisation and CL40 latency optimise dense server configurations
  • 1 V operation reduces power draw in Dell Precision 5860 workstations

256GB DDR5 ECC RDIMM kit

This kit provides 256GB of DDR5 memory in two 128GB registered DIMMs. It is built for Dell Precision 5860 tower workstations that require ECC protection. The modules operate at 4800 MT/s with a CAS latency of 40. They run at 1.1V and use a 288-pin form factor.

Sustained load behaviour

Registered buffering and ECC correction maintain data integrity during continuous workloads. The 4Rx4 organisation allows high density without increasing electrical load on the memory controller. Operation at 1.1V limits heat output during extended compute tasks. No heat spreader is fitted, so chassis airflow must handle cooling.

DDR5 interface limits

The PC5-38400 rating defines the peak transfer rate of the DDR5 interface. Maximum capacity per DIMM is 128GB with this rank configuration. Registered DIMMs require a motherboard that supports buffered memory. Mixing with unbuffered or non-ECC modules is not supported.

Points forts

  • 256 GB capacity across two 128 GB modules for heavy workloads
  • DDR5 4800 speed with PC5-38400 bandwidth for fast data throughput
  • ECC registered design detects and corrects memory errors for reliability
  • 4Rx4 organisation and CL40 latency optimise dense server configurations
  • 1 V operation reduces power draw in Dell Precision 5860 workstations

Caractéristiques

BrandNEMIX RAM
SeriesDell Series Server Memory
ModelDell Compatible DDR5 ECC Registered RDIMM
Part NumberMR38400-744K2
Capacity256GB (2 x 128GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
FeaturesDDR5 ECC Registered Server Motherboard Compatible

Questions sur cet article

How much power do the 128GB DDR5 4800 RDIMMs draw at 1.10V under sustained load?

Each module operates at 1.10V, the standard DDR5 voltage for registered ECC memory. Total system draw depends on the Dell Precision 5860 memory controller and how many slots are populated.

Does the Dell Precision 5860 need a specific BIOS version or CPU stepping to recognise 4Rx4 256GB kits?

The kit is listed as compatible with the Dell Precision 5860 Tower Workstation. Dell validates memory configurations per BIOS release, so check the workstation's support page for the latest firmware before installing.

Can I keep my existing DDR5 4800 RDIMMs and add this 2x128GB kit to fill the remaining slots?

Mixing ranks and capacities is possible on DDR5 platforms, but the memory controller will run all modules at the lowest common speed and timing. For best stability, populate identical 4Rx4 modules per channel.

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