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Two green DDR5 ECC RDIMM modules with gold contacts and black chips

OWC

OWC 256GB (2x128GB) DDR5 4800 CL40 4Rx4 288-pin 1.1V ECC Registered RDIMM memory upgrade

SKU CH-9552-E470Y

256 GB DDR5-4800 ECC registered RDIMM kit with two 128 GB modules for PowerEdge R760xa, R860 and R960 servers

  • Capacity256GB (2 x 128GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 256GB (2 x 128GB)

Voir les 4 autres configurations
  • 256 GB total capacity across two 128 GB modules
  • DDR5 4800 speed with CL40 latency at 1.1 V
  • ECC registered RDIMM for data integrity in servers
  • 4Rx4 quad-rank design fits 288-pin DDR5 slots
  • Validated for PowerEdge R760xa, R860 and R960 systems

Server ECC RDIMM Kit

This OWC kit supplies 256 GB of DDR5 memory in two 128 GB registered DIMMs. Each module runs at 4800 MT/s with CL40 latency at 1.1 V and uses a 4Rx4 organisation. The 288-pin form factor fits the memory slots of Dell PowerEdge R760xa, R860 and R960 servers.

Not for desktops or unbuffered builds

The modules are ECC registered and will not work in standard desktop motherboards or in systems that require unbuffered or load-reduced memory. Buyers who need non-ECC UDIMMs for a workstation or consumer PC should look at a different product line.

Registered ECC with 4Rx4 rank

The registered buffer and on-die ECC provide the data-integrity and signal-integrity required by the listed PowerEdge platforms, while the quad-rank x4 layout matches the density those servers expect.

Points forts

  • 256 GB total capacity across two 128 GB modules
  • DDR5 4800 speed with CL40 latency at 1.1 V
  • ECC registered RDIMM for data integrity in servers
  • 4Rx4 quad-rank design fits 288-pin DDR5 slots
  • Validated for PowerEdge R760xa, R860 and R960 systems

Caractéristiques

BrandOWC
Part Number4R8D54R4256P
Capacity256GB (2 x 128GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Heat SpreaderNo
Compatible SystemPowerEdge R760xa
PowerEdge R860
PowerEdge R960

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Questions sur cet article

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

Yes, the 288-pin DDR5 4800 ECC Registered RDIMMs are built for the DDR5 slots in those PowerEdge servers.

What is the correct way to install the two 128GB modules, and what step is often missed?

Install both modules in matched channels per the server manual; the step often missed is locking both ejector clips fully after seating each RDIMM.

When will the ECC Registered DDR5 memory need replacement under normal server use?

ECC Registered DDR5 has no scheduled replacement interval; replace a module only if diagnostics report correctable or uncorrectable errors.

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