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Green rectangular DDR4 memory module with gold contacts and black chips on both sides

OWC

OWC 32GB DDR4 2933MHz ECC Registered RDIMM for Lenovo ThinkSystem SR650 SR950

SKU CH-RXDE-8EA5F
  • Capacity32GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 32GB

  • 32GB capacity expands server memory for larger workloads
  • ECC registered design detects and corrects data errors automatically
  • DDR4 2933MHz CL21 speed matches Lenovo ThinkSystem SR650 and SR950 specifications
  • 2V operation reduces power draw in dense configurations
  • Backward compatible with 2133MHz, 2400MHz and 2666MHz systems

Server Memory Upgrade

This 32GB DDR4 2933MHz ECC Registered RDIMM is built for Lenovo ThinkSystem SR650 and SR950 servers running Xeon SP Gen 2 processors. It targets administrators who need to expand memory capacity in supported enterprise platforms. The module will not work in standard desktop computers and cannot be mixed with unbuffered memory.

Capacity and Compatibility

The single 32GB module operates at PC4-23400 with CL21 latency and 1.2V voltage. It is backward compatible with 2133MHz, 2400MHz and 2666MHz bus speeds, allowing flexible deployment across supported configurations. Buyers who need higher density per slot or non-ECC memory for consumer hardware cannot use this module.

Thermals and Power

The RDIMM runs at 1.2V without a heat spreader, relying on server chassis airflow for cooling. Registered buffering and ECC functionality add minimal power overhead while maintaining data integrity under sustained workloads. Noise and thermal output remain governed by the host system fan curves rather than the memory itself.

Puntos fuertes

  • 32GB capacity expands server memory for larger workloads
  • ECC registered design detects and corrects data errors automatically
  • DDR4 2933MHz CL21 speed matches Lenovo ThinkSystem SR650 and SR950 specifications
  • 2V operation reduces power draw in dense configurations
  • Backward compatible with 2133MHz, 2400MHz and 2666MHz systems

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 SystemLenovo ThinkSystem (Xeon SP Gen 2) SR650
Lenovo ThinkSystem (Xeon SP Gen 2) SR950

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Preguntas sobre este artículo

Will this 2933 MHz DDR4 module run correctly if I keep my existing 2133 MHz or 2400 MHz sticks in the ThinkSystem SR650?

The module is backward compatible with 2133 MHz, 2400 MHz and 2666 MHz speeds, so it will operate at the speed of the slowest installed DIMM.

How can I verify that the 32 GB ECC registered DIMM is functioning correctly after installation?

Check the BIOS or UEFI memory configuration screen; it should report 32 GB per module at 2933 MHz with ECC registered status enabled.

What comes in the box and do I need to buy anything else to install this 288-pin RDIMM?

The module itself is supplied; no extra brackets, cables or heat spreaders are required for installation in compatible ThinkSystem SR650 or SR950 servers.

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