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Four green DDR5 ECC RDIMM modules without heat spreaders

OWC

OWC 128GB (4x32GB) DDR5 4800 CL40 ECC RDIMM 7960XL Rack

SKU CH-4GQ1-G86EC

A 128GB quad-channel DDR5 ECC registered kit running at 4800MHz CL40 for the Dell Precision 7960XL Rack workstation

  • Capacity128GB (4 x 32GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 128GB (4 x 32GB)

  • 128 GB total capacity from four 32 GB modules
  • ECC registered design detects and corrects single-bit errors
  • DDR5 4800 speed with CL40 latency
  • 1 V operation meets JEDEC standard
  • Validated for Dell Precision 7960XL Rack workstations

Dell Precision 7960XL Rack upgrade

This 128GB kit supplies four 32GB DDR5 registered DIMMs built for the Dell Precision Workstation 7960XL Rack. It targets administrators and engineers who need ECC protection for critical workloads on that specific platform.

Sustained operation with ECC registered design

Registered buffering and on-die ECC correct single-bit errors in real time, keeping data integrity intact during long compute runs. The 1.1V operating voltage helps limit thermal load when all channels remain populated under continuous demand.

4800 MT/s CL40 JEDEC standard speed

The modules run at the baseline DDR5 4800 rate with CL40 latency, matching the platform's native memory controller specification. Faster or unbuffered modules are not supported by this workstation.

Highlights

  • 128 GB total capacity from four 32 GB modules
  • ECC registered design detects and corrects single-bit errors
  • DDR5 4800 speed with CL40 latency
  • 1 V operation meets JEDEC standard
  • Validated for Dell Precision 7960XL Rack workstations

Specifications

BrandOWC
Part Number4R8D52R8128S
Capacity128GB (4 x 32GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
Heat SpreaderNo
Compatible SystemDell Precision Workstation 7960XL Rack

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Questions about this item

How much heat and power does the 1.1V DDR5 4800 kit generate when running continuously in a Dell Precision 7960XL Rack?

The modules operate at the standard DDR5 voltage of 1.1V and have no heat spreader, so they rely on the workstation's built-in airflow for cooling during sustained workloads.

What must the system already support for this 288-pin ECC registered DDR5 kit to function?

The motherboard must accept 288-pin DDR5 ECC registered RDIMMs and the platform must be the Dell Precision Workstation 7960XL Rack, as this kit is validated for that specific model.

Can the 2Rx8 CL40 registered DIMMs share memory channels with older unbuffered or load-reduced modules?

No, registered ECC memory cannot be mixed with unbuffered or load-reduced ECC modules; all populated slots must use the same registered technology for the system to operate correctly.

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