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Six green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM Dell Series 768GB (6x128GB) DDR5 4800 CL40 ECC RDIMM server RAM

SKU CH-AP6J-N8S2A

Six 128 GB DDR5 4800 CL40 ECC registered DIMMs deliver 768 GB for Dell Precision 5860 workstations

  • Capacity768GB (6 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes
  • Massive 768 GB capacity from six 128 GB modules
  • DDR5 4800 speed rated at PC5-38400 for high throughput
  • ECC registered RDIMM ensures data integrity under load
  • CL40 latency at 1.10 V balances responsiveness and efficiency
  • 288-pin 4Rx4 kit validated for Dell Precision 5860 Tower Workstation

Dell Precision 5860 workstation memory

This 768GB kit delivers six 128GB DDR5 4800 RDIMM modules built for the Dell Precision 5860 tower workstation. ECC registered operation protects data integrity in professional compute tasks. The 4Rx4 organisation and 1.10V voltage match the platform requirements.

ECC registered design impact

Error-correcting code detects and corrects single-bit errors while the registered buffer reduces electrical load on the memory controller. Together they enable the full 768GB capacity at DDR5 4800 speed without signal degradation. The kit arrives as a matched set for immediate installation.

DDR5 4800 interface limits

The PC5-38400 standard caps transfer rate at 4800 MT/s and CAS latency at CL40 for this voltage class. Higher densities or tighter timings would require a different memory controller revision. No heat spreader is fitted, so chassis airflow must handle thermal load.

Highlights

  • Massive 768 GB capacity from six 128 GB modules
  • DDR5 4800 speed rated at PC5-38400 for high throughput
  • ECC registered RDIMM ensures data integrity under load
  • CL40 latency at 1.10 V balances responsiveness and efficiency
  • 288-pin 4Rx4 kit validated for Dell Precision 5860 Tower Workstation

Specifications

BrandNEMIX RAM
SeriesDell Series Server Memory
ModelDell Compatible DDR5 ECC Registered RDIMM
Part NumberMR38400-744K6
Capacity768GB (6 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 about this item

Will the six 128 GB DDR5 RDIMM modules need any firmware updates or periodic re-seating after installation?

No firmware updates or scheduled re-seating are required; the registered ECC DDR5 modules operate at 1.10 V with CL40 timing and are designed for continuous server use once seated in the 288-pin slots.

What thermal or power limit appears first when the full 768 GB kit runs at DDR5-4800 under sustained load?

The 1.10 V operating voltage and registered 4Rx4 architecture set the primary power envelope; the modules have no heat spreaders, so case airflow must keep DIMM temperatures within JEDEC limits during continuous operation.

How much acoustic noise and waste heat do the 288-pin ECC RDIMMs add when the workstation runs all day?

The memory itself is silent and adds only the heat from 1.10 V DDR5 operation; total system noise and thermals depend on the Precision 5860 chassis fans and CPU coolers rather than the RAM kit.

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