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Green bare circuit board DDR5 RDIMM module with black chips and gold contacts

NEMIX RAM

NEMIX RAM 128GB DDR5 4800 CL40 1.1V 4Rx4 ECC RDIMM Dell Precision 5860

SKU CH-29M9-N38V8

A 128 GB DDR5 4800 CL40 1.1 V 4Rx4 ECC registered RDIMM built for the Dell Precision 5860 tower workstation

  • Capacity128GB
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes
  • 128 GB capacity handles massive workloads
  • DDR5 4800 speed delivers high bandwidth
  • CL40 latency at 1.1 V balances response and efficiency
  • ECC registered design protects data integrity
  • 4Rx4 288-pin layout fits Dell Precision 5860

Dell Precision 5860 Compatible DDR5 RDIMM

This 128GB registered DDR5 module is built for the Dell Precision 5860 tower workstation. It targets IT professionals and enterprises that need ECC-protected memory for mission-critical workloads such as virtualization, rendering or large-scale data analysis.

DDR5 4800 Registered ECC Limits

The module runs at 4800 MT/s with CL40 latency at 1.10V, conforming to the PC5-38400 standard. Registered buffering and 4Rx4 organisation add command-address stability for high-capacity configurations, but the registered design prevents use in consumer boards that accept only unbuffered DIMMs.

288-Pin RDIMM Installation Notes

Installation follows the standard 288-pin DDR5 keying; align the notch and press until the latches click. Common issues include mixing registered and unbuffered modules, populating slots in the wrong order per the Dell service manual, or leaving a latch unseated, which causes boot failure.

Highlights

  • 128 GB capacity handles massive workloads
  • DDR5 4800 speed delivers high bandwidth
  • CL40 latency at 1.1 V balances response and efficiency
  • ECC registered design protects data integrity
  • 4Rx4 288-pin layout fits Dell Precision 5860

Specifications

BrandNEMIX RAM
SeriesDell Series Server Memory
ModelDell Compatible DDR5 ECC Registered RDIMM
Part NumberMR38400-744K1
Capacity128GB
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

Should I pick the single 128 GB module or combine smaller sticks to reach the same total?

The module is sold as one 128 GB stick, so you install a single DIMM to add that capacity.

What does the 4800 MT/s rating deliver inside a Dell Precision 5860 workstation?

The memory runs at DDR5 4800 with CL40 latency at 1.1 V, matching the platform's native speed for registered ECC DIMMs.

How does the 288-pin RDIMM interface limit the maximum bandwidth I can use?

The registered 288-pin DDR5 form factor supports PC5-38400 throughput, which is the peak transfer rate the slot and module combination can sustain.

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