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Green printed circuit board DDR5 memory module with black chips and gold edge connector

OWC

OWC 64GB DDR5 4800 CL40 2Rx4 ECC RDIMM Dell Precision 5860 7960

SKU CH-7TS6-G1FBC

A 64 GB DDR5 ECC registered DIMM running at 4800 MHz with CL40 latency and 1.1 V operation, validated for Dell Precision 5860 and 7960 workstations

  • Capacity64GB
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 64GB

  • 64 GB capacity lets you run larger workloads without swapping
  • ECC registered design corrects single-bit errors for data integrity
  • DDR5 4800 CL40 speed delivers high bandwidth for demanding applications
  • Single 2Rx4 module simplifies upgrades in Precision 5860 and 7960 systems
  • 1 V operation reduces power draw compared to previous DDR generations

Dell Precision 5860/7960 memory upgrade

This 64GB DDR5 4800 ECC registered RDIMM is built for Dell Precision 5860 and 7960 workstations in tower, XL tower and rack form factors. It operates at 1.1V with CL40 latency and a 2Rx4 organisation. The module is designed for professional workloads that require error correction and registered signalling.

Thermals noise and power draw

The module runs at the standard DDR5 voltage of 1.1V and carries no heat spreader. Registered DIMMs of this type draw low power per module and operate silently because they have no moving parts. System-level cooling in the supported Precision chassis handles the thermal load without additional noise.

Replaces Dell AC239379 SNPJ52K5C/64G

This part directly replaces Dell part numbers AC239379 and SNPJ52K5C/64G in the listed Precision 5860 and 7960 models. The upgrade is worth it when your current configuration uses smaller registered ECC modules and you need maximum single-slot capacity. It will not work in standard desktops or alongside unbuffered or load-reduced memory.

Points forts

  • 64 GB capacity lets you run larger workloads without swapping
  • ECC registered design corrects single-bit errors for data integrity
  • DDR5 4800 CL40 speed delivers high bandwidth for demanding applications
  • Single 2Rx4 module simplifies upgrades in Precision 5860 and 7960 systems
  • 1 V operation reduces power draw compared to previous DDR generations

Caractéristiques

BrandOWC
Part Number4R8D52R464GB
Capacity64GB
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemDell Precision Workstation 5860 Tower
Dell Precision Workstation 5860XL Tower
Dell Precision Workstation 7960 Rack
Dell Precision Workstation 7960 Tower
Dell Precision Workstation 7960XL Tower

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Questions sur cet article

How do I install the 288-pin ECC RDIMM into my Precision 7960, and what step is often missed?

Power off and unplug the workstation, open the chassis, align the module notch with the slot key, press firmly until both retention clips click, then verify in BIOS that the 64 GB 4800 MT/s module is recognised at 1.1 V.

What maintenance or replacement will this 2Rx4 registered DIMM need over time?

No routine maintenance is required; keep air vents clear so the 1.1 V module stays cool, and replace only if memory diagnostics report correctable errors that exceed the platform threshold.

What limit appears first when the 64 GB DDR5 4800 CL40 kit runs sustained workloads?

The memory controller’s maximum supported speed of 4800 MT/s and the fixed CL40 latency are the first constraints; throughput cannot exceed the JEDEC PC5-38400 rating.

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