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Green bare circuit board DDR5 RDIMM module with black memory chips and gold edge connectors

OWC

OWC 16GB DDR5 4800 CL40 1Rx8 288-pin 1.1V ECC Registered RDIMM Memory Upgrade for PowerEdge R760xa R860 R960

SKU CH-3NB9-6ZHHC

16 GB DDR5-4800 ECC registered RDIMM for PowerEdge R760xa, R860 and R960 servers

  • Capacity16GB
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 16GB

Voir les 4 autres configurations
  • ECC registered design protects data integrity in server workloads
  • 16GB DDR5 4800 CL40 module delivers high-speed capacity for compatible systems
  • 1V operation reduces power draw while maintaining registered stability
  • 288-pin RDIMM form factor fits PowerEdge R760xa, R860 and R960 slots
  • Replaces Dell part numbers AC239377 and SNP1V1N1C/16G for direct upgrade compatibility

Server DDR5 ECC RDIMM Upgrade

This 16GB DDR5 4800 CL40 registered DIMM is built for Dell PowerEdge R760xa, R860 and R960 servers. It delivers 16GB of ECC registered memory at 1.1V in a 288-pin form factor. The module is not compatible with standard desktop computers or unbuffered memory configurations. It replaces Dell part AC239377 for direct server upgrades.

Thermals Power And Noise

The module operates at 1.1V without a heat spreader, drawing minimal power during normal server workloads. As a passive component it produces no audible noise and relies on the server chassis airflow for cooling. JEDEC and RoHS compliance ensures stable operation within the qualified thermal envelope of the supported PowerEdge platforms.

Build Integration

The single 1Rx8 rank DIMM plugs into any available 288-pin DDR5 slot on the R760xa, R860 or R960 motherboard. It cannot be mixed with unbuffered or load-reduced ECC modules, so all populated slots must use registered ECC. The upgrade adds 16GB capacity per module and frees remaining slots for further expansion within the server's memory architecture.

Points forts

  • ECC registered design protects data integrity in server workloads
  • 16GB DDR5 4800 CL40 module delivers high-speed capacity for compatible systems
  • 1V operation reduces power draw while maintaining registered stability
  • 288-pin RDIMM form factor fits PowerEdge R760xa, R860 and R960 slots
  • Replaces Dell part numbers AC239377 and SNP1V1N1C/16G for direct upgrade compatibility

Caractéristiques

BrandOWC
Part Number4R8D51R816GB
Capacity16GB
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

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Questions sur cet article

How do I install the 288-pin DDR5 4800 RDIMM in a PowerEdge R760xa and what step is often missed?

Power off the server, open the chassis, align the module key with the slot notch, press firmly until both ejector tabs click, then verify the system sees 16GB at 4800 MT/s in BIOS; the step often missed is confirming the memory mode matches registered ECC requirements.

What maintenance or replacement will this 1Rx8 ECC registered module need over its service life?

No routine maintenance is required; if a correctable error count rises above the platform threshold the module should be replaced, otherwise it is rated for the server's full operational lifespan.

What limit appears first when this 1.1V CL40 RDIMM runs sustained workloads in a PowerEdge R960?

The memory controller's thermal throttle point is reached before the module's own temperature limit, so sustained throughput is capped by the server's cooling capacity rather than the DRAM.

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