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Four green circuit boards with gold edge connectors and black memory chips

OWC

OWC 64GB (4×16GB) DDR4 2933MHz CL21 ECC Registered RDIMM 1.2V 288-pin server RAM

SKU CH-RR43-F8B82

64 GB ECC registered DDR4 kit with four 16 GB modules at 2933 MHz CL21 for servers and workstations

  • Capacity64GB (4 x 16GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 64GB (4 x 16GB)

Voir les 4 autres configurations

Rank 2Rx4

  • ECC registered design protects server data integrity
  • 2933 MHz CL21 speed delivers responsive workload performance
  • 2 V DDR4 voltage reduces power draw
  • 64 GB quad-channel kit maximises memory capacity
  • Backward compatible with 2133, 2400, 2666 MHz systems

64GB DDR4 ECC Registered Kit

This kit provides 64GB of DDR4 server memory across four 16GB registered DIMMs. It operates at 2933MHz with CL21 latency and 1.2V voltage. The modules feature ECC error correction and a 2Rx4 rank configuration for data integrity in critical workloads.

Suited for servers, workstations and NAS systems

Designed for platforms that require registered ECC memory and 288-pin DDR4 slots. Backward compatible with 2133MHz, 2400MHz and 2666MHz bus speeds. Not for standard desktop computers that accept only unbuffered non-ECC modules, and it cannot be mixed with unbuffered memory in the same system.

Check your platform before ordering

Verify that your motherboard or system supports DDR4 registered ECC RDIMMs and 288-pin slots. Confirm the maximum supported capacity per slot and total system capacity. Ensure the memory controller accepts 2Rx4 modules and that all four DIMMs can be populated in the correct channel configuration.

Points forts

  • ECC registered design protects server data integrity
  • 2933 MHz CL21 speed delivers responsive workload performance
  • 2 V DDR4 voltage reduces power draw
  • 64 GB quad-channel kit maximises memory capacity
  • Backward compatible with 2133, 2400, 2666 MHz systems

Caractéristiques

BrandOWC
Part Number2R9D42R4064S
Capacity64GB (4 x 16GB)
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

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Questions sur cet article

Does my system need DDR4 ECC registered RDIMM slots to use these 288-pin modules?

Yes, these modules require a server or workstation motherboard with DDR4 ECC registered RDIMM slots; they will not fit or function in standard desktop boards that only accept unbuffered memory.

Will the 2933MHz kit run correctly if my current DIMMs operate at 2133MHz or 2400MHz?

The kit is backward compatible with 2133MHz, 2400MHz and 2666MHz systems and will downclock to match the slowest installed speed while maintaining ECC registered operation.

How can I confirm the full 64GB is recognised and ECC is active after installation?

Check the BIOS or UEFI memory summary for 64GB total capacity and an ECC enabled status, then run a memory test utility that reports corrected errors to verify ECC functionality.

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