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Two green DDR5 ECC RDIMM modules, black chips, no heat spreader

OWC

OWC 32GB (2x16GB) DDR5 4800 CL40 1Rx8 288-pin 1.1V ECC Registered RDIMM PowerEdge R760xa R860 R960

SKU CH-N9Z1-A1SW2

ECC registered DDR5 kit adds 32 GB across two 16 GB modules at 4800 MT/s CL40 for PowerEdge R760xa, R860 and R960 servers

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

Capacity 32GB (2 x 16GB)

Show 4 more configurations
  • ECC registered design protects data integrity in servers
  • 32 GB kit (2 × 16 GB) expands capacity for demanding workloads
  • DDR5 4800 CL40 at 1.1 V delivers high-speed throughput
  • 288-pin RDIMM form factor fits PowerEdge R760xa R860 R960
  • Replaces Dell part AC239377 SNP1V1N1C/16G for direct compatibility

Server memory upgrade

This OWC kit supplies 32GB of DDR5 4800 ECC registered memory in two 16GB modules. It is built for Dell PowerEdge R760xa, R860 and R960 servers that require registered DIMMs with error correction. The modules run at 1.1V with a CL40 latency and a single-rank 1Rx8 organisation.

Replaces unbuffered or load-reduced DIMMs

The upgrade is intended for systems that currently use registered ECC memory and need additional capacity or a speed step to DDR5 4800. It will not work in platforms that only accept unbuffered or load-reduced modules, so the jump is only worthwhile when the server’s memory controller and BIOS support registered DDR5 at this speed.

Check slot count and population rules

Before ordering, verify how many 288-pin DIMM slots your PowerEdge model provides and whether the existing configuration allows mixed-rank or mixed-capacity population. The kit contains two modules, so at least two free slots are required, and the server’s memory-mode settings must allow registered ECC DDR5 at 4800 MT/s.

Highlights

  • ECC registered design protects data integrity in servers
  • 32 GB kit (2 × 16 GB) expands capacity for demanding workloads
  • DDR5 4800 CL40 at 1.1 V delivers high-speed throughput
  • 288-pin RDIMM form factor fits PowerEdge R760xa R860 R960
  • Replaces Dell part AC239377 SNP1V1N1C/16G for direct compatibility

Specifications

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 SystemPowerEdge R760xa
PowerEdge R860
PowerEdge R960

Other versions of this model

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Questions about this item

Will the 288-pin DDR5 RDIMM modules fit the memory slots in a PowerEdge R760xa, R860 or R960?

Yes, the kit is built specifically for those three PowerEdge models and uses the standard 288-pin DDR5 RDIMM form factor they require.

What is the correct way to install the two 16 GB modules so the server recognises the full 32 GB?

Populate the DIMM slots in the order shown in the server's service manual — typically one module per channel — and ensure each RDIMM clicks fully into the 288-pin socket before powering on.

When should the ECC registered RDIMMs be replaced to keep the server running reliably?

Replace them if the system logs uncorrectable ECC errors, if memory diagnostics report failures, or when a hardware refresh cycle calls for new modules.

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