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Green rectangular DDR4 ECC RDIMM module with black chips and gold contacts

OWC

OWC 32GB DDR4 2933 CL21 ECC RDIMM PowerEdge C4140

SKU CH-9MR8-X7ARH

32 GB DDR4 2933 CL21 ECC registered RDIMM for Dell PowerEdge C4140 servers

  • Capacity32GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 32GB

Voir les 4 autres configurations
  • ECC registered design protects data integrity in servers
  • 32GB capacity expands memory for demanding workloads
  • 2933MHz speed with CL21 latency delivers responsive performance
  • 2V operation reduces power draw in dense configurations
  • Backward compatible with 2133, 2400 and 2666MHz systems

OWC 32GB DDR4 ECC RDIMM

This 32GB DDR4 2933 CL21 ECC Registered RDIMM is built for Dell PowerEdge C4140 servers with SkyLake CPUs. It runs at 1.2V with a 2Rx4 rank configuration and 288-pin form factor. The module replaces Dell part numbers such as 8WKDY and SNP8WKDYC/32G. It will not work in standard desktops or alongside unbuffered or load-reduced memory.

Thermals and power draw

Operating at 1.2V, the module draws minimal power and generates little heat without a heat spreader. Passive cooling in a server chassis keeps temperatures stable during typical workloads. No active cooling or extra airflow is required beyond standard server fan profiles. Acoustic impact is negligible in normal rack environments.

Backward compatibility and compliance

The DIMM is backward compatible with 2133MHz, 2400MHz and 2666MHz bus speeds, allowing mixed-speed populations in supported slots. Full JEDEC and RoHS compliance ensures a warranty-safe upgrade path. Each unit is tested in-house before shipment to verify reliability. Advanced replacement support is included with the limited lifetime warranty.

Points forts

  • ECC registered design protects data integrity in servers
  • 32GB capacity expands memory for demanding workloads
  • 2933MHz speed with CL21 latency delivers responsive performance
  • 2V operation reduces power draw in dense configurations
  • Backward compatible with 2133, 2400 and 2666MHz systems

Caractéristiques

BrandOWC
Part Number2R9D42R432GB
Capacity32GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemPowerEdge C4140 (SkyLake CPU)

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Questions sur cet article

How do I install this 288-pin DDR4 RDIMM in a PowerEdge C4140, and what step is often missed?

Power down the server, open the chassis, align the notch on the module with the slot key, press firmly until both ejector clips click shut, then verify in BIOS that all 32GB are detected at 2933MHz.

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

No routine maintenance is required; the module carries a limited lifetime warranty and free tech support, so a replacement would only be needed if a memory test reports correctable or uncorrectable ECC errors.

What limit appears first when this 1.2V 2Rx4 RDIMM runs sustained workloads in a C4140?

The memory controller will down-clock to 2666MHz, 2400MHz or 2133MHz if the CPU or BIOS cannot sustain the rated 2933MHz speed under continuous load.

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