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Two green DDR5 ECC registered RDIMM sticks in a kit

OWC

OWC 4R8D51R8032P 32GB (2x16GB) DDR5 4800 CL40 1Rx8 1.1V ECC Registered RDIMM memory upgrade

SKU CH-S777-8K4GS

A 32 GB dual-channel DDR5 4800 CL40 ECC registered RDIMM kit for Dell Precision 5860 and 7960 workstations

  • Capacity32GB (2 x 16GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 32GB (2 x 16GB)

  • 32 GB capacity in a matched 2 x 16 GB kit
  • DDR5 4800 CL40 at 1.1 V for efficient throughput
  • ECC registered RDIMM protects data integrity in workstations
  • 288-pin JEDEC-standard modules validated for Dell Precision 5860 and 7960 series
  • 100 % JEDEC and RoHS compliant for warranty-safe upgrades

System-specific DDR5 ECC kit

This OWC kit delivers 32 GB of DDR5 4800 ECC registered memory as two 16 GB modules. It is built for Dell Precision 5860 and 7960 workstations in tower, XL tower and rack form factors. The modules run at 1.1 V with CL40 latency and a 1Rx8 rank structure. Registered ECC design targets data-integrity workloads on supported platforms.

Replacing non-ECC or slower DDR5

The upgrade replaces standard unbuffered DDR5 or lower-speed registered kits that lack error correction. It is worth the jump when the workload demands ECC protection and the system requires registered DIMMs. Mixing with unbuffered or load-reduced ECC memory is not supported. The kit matches the JEDEC PC5-38400 specification for the listed Dell platforms.

Build integration for Precision workstations

Each module uses a 288-pin RDIMM form factor without a heat spreader, fitting the Dell Precision 5860 and 7960 memory slots directly. The registered buffer reduces electrical load on the memory controller, freeing headroom for larger total capacities. No extra cooling or voltage adjustment is needed beyond the 1.1 V standard. The kit is RoHS compliant and validated for the named Dell systems only.

Puntos fuertes

  • 32 GB capacity in a matched 2 x 16 GB kit
  • DDR5 4800 CL40 at 1.1 V for efficient throughput
  • ECC registered RDIMM protects data integrity in workstations
  • 288-pin JEDEC-standard modules validated for Dell Precision 5860 and 7960 series
  • 100 % JEDEC and RoHS compliant for warranty-safe upgrades

Especificaciones

BrandOWC
Part Number4R8D51R8032P
Capacity32GB (2 x 16GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx8
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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Preguntas sobre este artículo

Will the 288-pin RDIMM modules fit the Dell Precision 5860 and 7960 workstations?

Yes, the 288-pin DDR5 RDIMM form factor matches the memory slots in the Precision 5860 Tower, 5860XL Tower, 7960 Tower, 7960XL Tower and 7960 Rack.

What is the correct way to install the two 16 GB modules and what step is often missed?

Power off the workstation, open the chassis, align each module's notch with the slot key and press firmly until both side latches click; the step often missed is seating both modules in the correct channel pair for dual-channel operation.

When will the ECC registered memory need replacement or maintenance?

The modules have no moving parts and require no scheduled maintenance; replace them only if a memory test reports uncorrectable ECC errors or if you upgrade capacity beyond the current 32 GB kit.

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