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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

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank2Rx8

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.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $2,953.99
Pricier than about 73% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $23.08 per GB
Pricier than about 68% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number4R8D52R8128S
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR5 ECC RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsDell Precision Workstation 7960XL Rack

Other versions of this model

5 more in the same range

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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