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Green rectangular circuit board with gold edge contacts and black memory chips

OWC

OWC 32GB DDR4 2933MHz ECC Registered RDIMM 2Rx4 CL21 1.2V 288-pin memory upgrade

SKU CH-CEM0-4K75J

32 GB DDR4 ECC registered RDIMM running at 2933 MHz for Supermicro X11 server and workstation boards

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

Capacity 32GB

  • 32 GB capacity supports heavy server workloads
  • ECC registered design protects data integrity in critical tasks
  • DDR4 2933 MHz CL21 delivers responsive throughput
  • 2 V operation reduces power draw and heat
  • Qualified for Supermicro X11DSN-TS, X11OPi-CPU, X11QPH+, X11QPL, X11SPA-T

Server ECC Registered DIMM

This 32GB DDR4 module operates at 2933MHz with CL21 latency and 1.2V power. It is built for Supermicro X11 series motherboards including X11DSN-TS, X11OPi-CPU, X11QPH+, X11QPL and X11SPA-T. The registered design with ECC provides error correction for data integrity in server and workstation workloads. It is not compatible with standard desktop computers.

Build Integration Requirements

The 288-pin RDIMM fits server and workstation boards that support registered ECC memory. It cannot be mixed with unbuffered modules and requires a platform that accepts 2Rx4 registered DIMMs. Backward compatibility with 2133MHz, 2400MHz and 2666MHz systems allows use in older Supermicro generations. Buyers who need unbuffered memory or desktop compatibility should look elsewhere.

Thermals Noise and Power

Operating at 1.2V, the module draws low power typical for DDR4 server memory. No heat spreader is fitted, so airflow across the DIMM slots is necessary for thermal management. The registered buffer adds minimal latency while stabilising the memory bus under load. Silent operation is assured as the module has no moving parts.

Puntos fuertes

  • 32 GB capacity supports heavy server workloads
  • ECC registered design protects data integrity in critical tasks
  • DDR4 2933 MHz CL21 delivers responsive throughput
  • 2 V operation reduces power draw and heat
  • Qualified for Supermicro X11DSN-TS, X11OPi-CPU, X11QPH+, X11QPL, X11SPA-T

Especificaciones

BrandOWC
Part Number2R9D42R432GB
Capacity32GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemSupermicro Motherboard X11DSN-TS
Supermicro Motherboard X11OPi-CPU
Supermicro Motherboard X11QPH+
Supermicro Motherboard X11QPL
Supermicro Motherboard X11SPA-T

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Preguntas sobre este artículo

How does the CL21 latency affect sustained throughput on this 2933MHz module?

CL21 at 2933MHz gives a fixed timing budget per access; sustained throughput is ultimately limited by the memory controller and rank interleaving rather than the CAS figure alone.

What thermal or power behaviour should I expect when this registered ECC DIMM runs continuously at 1.2V?

At 1.2V with no heat spreader, the module relies on chassis airflow; registered buffering adds slight power draw but stays within standard DDR4 thermal limits for server workloads.

Which specific Supermicro motherboards must I already have for this 2Rx4 RDIMM to function?

This module is validated for Supermicro X11DSN-TS, X11OPi-CPU, X11QPH+, X11QPL and X11SPA-T motherboards; it will not work in standard desktop boards.

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