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Green rectangular DDR5 memory module with black chips and gold contacts

OWC

OWC 16GB DDR5 4800 PC5-38400 CL40 1Rx8 288-pin 1.1V ECC Registered RDIMM for Dell Precision 7960XL Rack

SKU CH-P0FT-S0SWQ

ECC registered DDR5 module adds 16 GB at 4800 MHz for Dell Precision 7960XL Rack workstations

  • Capacity16GB
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 16GB

  • ECC registered design protects data integrity in critical workloads
  • 16 GB DDR5 module runs at 4800 MT/s with CL40 latency
  • Low 1.1 V operation reduces power draw in dense configurations
  • Single-rank 1Rx8 layout simplifies population rules for the 7960XL Rack
  • Replaces Dell part AC239377 for guaranteed compatibility

Dell Precision 7960XL Rack memory upgrade

This 16GB DDR5 module is built for the Dell Precision 7960XL Rack workstation. It delivers ECC registered operation at 4800MHz with CL40 latency. The single-rank 1Rx8 design runs at 1.1V through the standard 288-pin interface.

ECC registered changes system behaviour

Error-correcting code and registered buffering let the workstation detect and correct single-bit errors while reducing electrical load on the memory controller. This module cannot be mixed with unbuffered or load-reduced DIMMs, so all slots must use the same registered ECC type.

1Rx8 rank layout decides fit

The single-rank 1Rx8 organisation determines how the memory controller addresses the module. If your configuration requires dual-rank or x4 organisation, this part will not match the platform's supported population rules.

Highlights

  • ECC registered design protects data integrity in critical workloads
  • 16 GB DDR5 module runs at 4800 MT/s with CL40 latency
  • Low 1.1 V operation reduces power draw in dense configurations
  • Single-rank 1Rx8 layout simplifies population rules for the 7960XL Rack
  • Replaces Dell part AC239377 for guaranteed compatibility

Specifications

BrandOWC
Part Number4R8D51R816GB
Capacity16GB
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx8
Heat SpreaderNo
Compatible SystemDell Precision Workstation 7960XL Rack

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Questions about this item

Will the 16GB DDR5 4800 module need replacement if I expand beyond the Dell Precision 7960XL Rack's maximum supported capacity?

The module itself does not wear out, but you must stay within the workstation's qualified memory limit; exceeding it requires removing this DIMM for a higher-capacity configuration.

What sustained-use limit appears first when the registered ECC DIMM runs continuously at 4800 MT/s?

The JEDEC-specified 1.1 V operating voltage and CL40 latency define the electrical and timing envelope; sustained loads stay within those rated parameters.

How much heat and noise does the 288-pin RDIMM produce during all-day operation without a heat spreader?

Bare DRAM at 1.1 V generates minimal heat and zero acoustic noise; system airflow through the Dell chassis handles cooling without added fan speed.

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