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Green bare DDR5 ECC registered DIMM with gold contacts

OWC

OWC 64GB DDR5 4800 CL40 2Rx4 288-pin 1.1V ECC Registered DIMM memory upgrade

SKU CH-8XQP-XP69M

64 GB DDR5 ECC registered DIMM at 4800 MT/s CL40 for Fujitsu PRIMERGY CX2550 M7, CX2560 M7, RX1440 M2, RX4770 M7 and RX8770 M7 servers

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

Capacity 64GB

  • 64 GB capacity expands server memory headroom for heavy workloads
  • DDR5 4800 CL40 delivers high-throughput bandwidth for data-intensive tasks
  • ECC registered design corrects errors to protect critical data integrity
  • 1 V operation lowers power draw in dense rack environments
  • Validated for Fujitsu PRIMERGY CX2550 M7 CX2560 M7 RX1440 M2 RX4770 M7 RX8770 M7

OWC 64GB DDR5 4800 ECC Registered DIMM

This 64GB DDR5 4800 CL40 2Rx4 288-pin 1.1V ECC Registered DIMM is built for Fujitsu PRIMERGY CX2550 M7, CX2560 M7, RX1440 M2, RX4770 M7 and RX8770 M7 servers. It delivers JEDEC-standard registered ECC memory for workloads that require error correction and signal buffering. The module will not work in standard desktop computers or with unbuffered or load-reduced memory types.

Thermals noise and power draw

Operating at the standard 1.1V DDR5 voltage, the module runs without a heat spreader and relies on server chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller, helping to keep power draw predictable under sustained server workloads. No fan or active cooling is included on the DIMM itself.

What the bundle changes

The single 64GB module upgrades capacity by one DIMM slot, extending the service life of supported PRIMERGY platforms or reducing cost when configuring new systems. JEDEC and RoHS compliance ensures a warranty-safe installation without firmware conflicts. No additional software, cables or accessories are supplied with the memory module.

Points forts

  • 64 GB capacity expands server memory headroom for heavy workloads
  • DDR5 4800 CL40 delivers high-throughput bandwidth for data-intensive tasks
  • ECC registered design corrects errors to protect critical data integrity
  • 1 V operation lowers power draw in dense rack environments
  • Validated for Fujitsu PRIMERGY CX2550 M7 CX2560 M7 RX1440 M2 RX4770 M7 RX8770 M7

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 SystemFujitsu PRIMERGY CX2550 M7
Fujitsu PRIMERGY CX2560 M7
Fujitsu PRIMERGY RX1440 M2
Fujitsu PRIMERGY RX4770 M7
Fujitsu PRIMERGY RX8770 M7

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Questions sur cet article

How do I install this 288-pin DDR5 ECC registered DIMM in a Fujitsu PRIMERGY RX4770 M7, and what step is often missed?

Power down the server, open the chassis, align the notch on the 288-pin module with the slot key, press firmly until both latches click, then verify in BIOS that the 64GB module is detected at 4800MHz with ECC active.

What maintenance or replacement will this 64GB DDR5 4800 CL40 2Rx4 module need over its service life?

No scheduled maintenance is required; the module has no heat spreader and runs at 1.1V, so keep server airflow clean and replace only if memory diagnostics report uncorrectable ECC errors.

What limit appears first when this registered ECC DIMM runs sustained workloads in a PRIMERGY CX2560 M7?

The CAS latency of CL40 at 4800MHz sets the timing boundary; sustained throughput is capped by the JEDEC-standard DDR5 4800 data rate and the registered buffer adding one cycle.

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