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Green circuit board with black memory chips and gold edge connectors

OWC

OWC 32GB DDR4 2933 CL21 2Rx4 ECC RDIMM Cisco UCS M5

SKU CH-K55G-2GGPA

32 GB DDR4 2933 ECC registered RDIMM for Cisco UCS M5 servers, single-rank 2Rx4 at 1.2 V

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

Capacity 32GB

Voir les 2 autres configurations
  • 32GB single-module upgrade for Cisco UCS M5 servers
  • ECC registered design protects data integrity in critical workloads
  • 2933MHz CL21 speed with 1.2V efficient operation
  • 2Rx4 288-pin RDIMM form factor fits qualified Cisco systems
  • Backward compatible with 2133MHz 2400MHz 2666MHz DDR4 platforms

Server memory upgrade

This 32GB DDR4 ECC Registered RDIMM is built for Cisco UCS M5 servers including the B200 M5, B480 M5, C220 M5, C240 M5 and C480 M5. It provides error-correcting registered memory for workloads that require data integrity and system stability in enterprise environments.

Thermal and power profile

The module operates at 1.2V with a CL21 latency at 2933MHz and uses a 2Rx4 organisation. It has no heat spreader and relies on server chassis airflow for cooling. Power draw follows standard DDR4 registered DIMM specifications for this voltage and density.

Build integration

The 288-pin form factor fits DDR4 RDIMM slots in the listed Cisco UCS models. It cannot be mixed with unbuffered or load-reduced ECC memory and will not work in standard desktop computers. Backward compatibility covers 2133MHz, 2400MHz and 2666MHz bus speeds.

Points forts

  • 32GB single-module upgrade for Cisco UCS M5 servers
  • ECC registered design protects data integrity in critical workloads
  • 2933MHz CL21 speed with 1.2V efficient operation
  • 2Rx4 288-pin RDIMM form factor fits qualified Cisco systems
  • Backward compatible with 2133MHz 2400MHz 2666MHz DDR4 platforms

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 SystemCisco UCS B200 M5
Cisco UCS B480 M5
Cisco UCS C220 M5
Cisco UCS C240 M5
Cisco UCS C480 M5

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Questions sur cet article

How do I install this 288-pin DDR4 RDIMM in a Cisco UCS C240 M5, and which 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 ejector clips click, then verify in BIOS that the 32 GB module registers at 2933 MHz; the step most often missed is seating the module fully so both clips engage.

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

No scheduled maintenance is required; the module carries a limited lifetime warranty and advanced replacement program, so a replacement would only occur if a memory error is detected by the server's ECC logging.

What limit appears first when this 1.2 V 2Rx4 RDIMM runs sustained workloads in a Cisco UCS B480 M5?

The thermal limit of the server's memory subsystem is reached before the module's 1.2 V operating voltage or 2933 MHz speed ceiling, so adequate chassis airflow is the practical constraint.

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