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Green 288-pin DDR5 ECC registered DIMM with black chips, no heat spreader

OWC

OWC 32GB DDR5 4800 PC5-38400 CL40 1Rx4 288-pin 1.1V ECC Registered RDIMM memory upgrade

SKU CH-PW3V-FKYR8

A 32GB DDR5 4800 ECC registered RDIMM for Cisco UCS C220 M7 SFF, C240 M7 SFF, X210c M7 and X410c M7 servers

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

Capacity 32GB

  • ECC registered design protects data integrity in server workloads
  • 32GB capacity extends memory headroom for Cisco UCS M7 platforms
  • DDR5 4800 speed delivers high bandwidth for demanding applications
  • 1V operation reduces power draw per module
  • 288-pin RDIMM form factor fits Cisco UCS C220 M7 SFF C240 M7 SFF X210c M7 X410c M7

Server ECC RDIMM upgrade

This 32GB DDR5 4800 PC5-38400 CL40 registered DIMM is built for Cisco UCS C220 M7 SFF, C240 M7 SFF, X210c M7 and X410c M7 servers. It delivers error-correcting memory for workloads that require data integrity in multi-socket platforms. The module will not work in standard desktop computers or with unbuffered or load-reduced memory types.

288-pin registered form factor

The stick uses a 288-pin DDR5 RDIMM layout without a heat spreader, operating at 1.1V. Registered signalling reduces electrical load on the server memory controller, allowing higher capacities per channel. Mixing this module with unbuffered or load-reduced DIMMs is not supported and will prevent the system from booting.

DDR5 4800 bandwidth ceiling

The PC5-38400 interface tops out at 4800 MT/s, so total throughput is limited to that speed regardless of how many modules are populated. Buyers who need faster memory clocks or greater per-module capacity must choose a different DDR5 speed grade or a higher-density part, as this module is fixed at 32GB and CL40 latency.

Points forts

  • ECC registered design protects data integrity in server workloads
  • 32GB capacity extends memory headroom for Cisco UCS M7 platforms
  • DDR5 4800 speed delivers high bandwidth for demanding applications
  • 1V operation reduces power draw per module
  • 288-pin RDIMM form factor fits Cisco UCS C220 M7 SFF C240 M7 SFF X210c M7 X410c M7

Caractéristiques

BrandOWC
Part Number4R8D51R432GB
Capacity32GB
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
Heat SpreaderNo
Compatible SystemCisco UCS C220 M7 SFF
Cisco UCS C240 M7 SFF
Cisco UCS X210c M7
Cisco UCS X410c M7

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Questions sur cet article

What DDR5 speed and CAS latency does the OWC 4R8D51R432GB module run at?

The module operates at 4800 MT/s (PC5-38400) with a CAS latency of CL40.

Will this 288-pin ECC registered DIMM fit in a Cisco UCS C220 M7 SFF server?

Yes, it is validated for the Cisco UCS C220 M7 SFF, C240 M7 SFF, X210c M7 and X410c M7.

How do I install the module and what common mistake should I avoid?

Power down the server, open the chassis, align the notch on the 288-pin edge connector with the slot key, press firmly until the ejector tabs click, then verify in BIOS. The common error is mixing this registered ECC DIMM with unbuffered or load-reduced memory, which prevents the system from booting.

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