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Green printed circuit board with gold edge connectors and black memory chips, no heat spreader

OWC

OWC 32GB DDR4 2933MHz PC4-23400 CL21 2Rx4 ECC Registered RDIMM 1.2V 288-pin server RAM

SKU CH-4YYJ-RDPSJ

32GB DDR4 2933MHz ECC registered RDIMM for servers, workstations and NAS systems with CL21 latency and 1.2V operation

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

Capacity 32GB

Show 4 more configurations

Rank 2Rx4

  • ECC registered design protects data integrity in servers and workstations
  • 32GB capacity in a single module expands memory without using extra slots
  • 2933MHz DDR4 speed with CL21 latency delivers responsive performance for demanding workloads
  • 2V operation reduces power draw and heat in dense server environments
  • Backward compatible with 2133MHz, 2400MHz and 2666MHz systems for flexible deployment

32GB DDR4 ECC Registered RDIMM

This OWC module delivers 32GB of DDR4 2933MHz memory with CL21 latency and 1.2V operation. It uses a 2Rx4 registered design with ECC for error correction in server and workstation environments. The 288-pin RDIMM form factor fits compatible enterprise platforms.

Upgrade path and backward compatibility

The module replaces slower DDR4 DIMMs and runs at 2133MHz, 2400MHz or 2666MHz when the platform requires it. The jump is worth it when your workload needs the full 2933MHz bandwidth and the motherboard supports registered ECC memory. It will not work in standard desktop boards that accept only unbuffered DIMMs.

Platform verification before ordering

Confirm that your server, workstation or NAS system requires 288-pin DDR4 registered ECC RDIMMs and supports the PC4-23400 speed grade. Check the system manual for maximum capacity per slot and whether 2Rx4 modules are qualified. Do not mix this registered module with unbuffered memory in the same system.

Highlights

  • ECC registered design protects data integrity in servers and workstations
  • 32GB capacity in a single module expands memory without using extra slots
  • 2933MHz DDR4 speed with CL21 latency delivers responsive performance for demanding workloads
  • 2V operation reduces power draw and heat in dense server environments
  • Backward compatible with 2133MHz, 2400MHz and 2666MHz systems for flexible deployment

Specifications

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

Other versions of this model

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Questions about this item

Will this 288-pin DDR4 RDIMM fit in my server's memory slots?

The module uses the standard 288-pin DDR4 RDIMM form factor. It requires a server or workstation motherboard with registered DIMM slots; it will not fit standard desktop boards.

What is the correct way to install this ECC registered module, and what mistake should I avoid?

Power down the system, align the notch with the slot key, and press firmly until the retention clips click. The common error is mixing this registered memory with unbuffered modules, which the manufacturer warns against.

Does this 32GB module need any firmware updates or periodic replacement?

No firmware updates are required for the memory itself. It is a solid-state component with no moving parts, so it does not have a scheduled replacement interval under normal server operating conditions.

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