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Eight green DDR5 ECC RDIMM modules in anti-static tray

OWC

OWC 1TB (8x128GB) DDR5 4800 CL40 4Rx4 ECC RDIMM Kit Dell 5860 7960

SKU CH-32VA-2WBSX

Eight 128 GB DDR5 ECC registered DIMMs deliver 1 TB at 4800 MT/s CL40 for Dell Precision 5860 and 7960 workstations

  • Total capacity1 TB (8 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank4Rx4

Capacity 1TB (8 x 128GB)

  • 1TB capacity with eight 128GB modules for memory-intensive workloads
  • DDR5 4800 speed at CL40 latency for high-throughput data processing
  • ECC registered RDIMM design detects and corrects memory errors automatically
  • 1V operating voltage reduces power draw across all modules
  • Validated for Dell Precision 5860 and 7960 tower and rack workstations

Kit composition and target workstations

This kit provides 1TB of DDR5 memory across eight 128GB registered ECC RDIMMs. It is built for Dell Precision 5860 and 7960 tower and rack workstations that require registered modules with error correction.

Platform requirements before ordering

Your system must accept 288-pin DDR5 registered ECC RDIMMs at 1.1V with a 4Rx4 organisation. The motherboard needs eight free slots and cannot mix these modules with unbuffered or load-reduced memory types.

Ideal for memory-intensive workstation tasks

Suits users expanding Precision 5860 or 7960 systems for large datasets, virtualization or rendering workloads that benefit from registered ECC capacity. Not for standard desktops, laptops or any platform that only supports unbuffered consumer memory.

How it compares

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

Price $27,050.99
Pricier than about 92% of the 21,161 comparable items (median $397.99).
Total capacity 1 TB (8 × 128 GB)
Higher than about 93% of the 20,941 comparable items (median 32 GB).
Price per GB $27.05 per GB
Pricier than about 75% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number4R8D54R41TBK
Total capacity1 TB (8 × 128 GB)
Product type288-Pin DDR5 ECC RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank4Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsDell Precision Workstation 5860 Tower
Dell Precision Workstation 5860XL Tower
Dell Precision Workstation 7960 Rack
Dell Precision Workstation 7960 Tower
Dell Precision Workstation 7960XL Tower

Other versions of this model

5 more in the same range

Questions about this item

Does the kit include all eight 128 GB modules or do I need to buy any separately?

The kit contains eight 128 GB DDR5 4800 CL40 4Rx4 ECC registered RDIMMs for a total of 1 TB; nothing else is required to reach that capacity.

Why choose the 1 TB 8 x 128 GB kit instead of a smaller capacity?

The 1 TB kit fills eight slots with 128 GB 4Rx4 modules, giving the maximum supported memory for Dell Precision 5860 and 7960 workstations in a single matched set.

What does the DDR5 4800 CL40 rating mean for real-world performance in my Precision 7960?

The modules run at 4800 MT/s with CAS latency 40 at 1.1 V, delivering JEDEC-standard throughput and error correction for stable operation in the Precision 7960.

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