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Green rectangular circuit board with gold edge connectors and black memory chips P/N 2R1D42R432GB

OWC

OWC 2R1D42R432GB 32GB DDR4 2133MHz CL15 2Rx4 ECC Registered RDIMM 1.2V 288-pin server RAM

SKU CH-G4H9-VG2CQ

32GB DDR4 2133MHz ECC registered RDIMM for server and workstation upgrades

  • Total capacity32 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 32GB

Rank 2Rx4

  • ECC registered design protects data integrity in servers
  • 32GB capacity expands memory for demanding workloads
  • DDR4 2133MHz speed matches PC4-17000 system requirements
  • 2V operation reduces power draw per module
  • 288-pin RDIMM form factor fits compatible server slots

Server-grade ECC module

This 32GB DDR4 2133MHz CL15 2Rx4 ECC Registered RDIMM is built for servers, workstations and NAS systems that require registered memory with error correction. It will not work in standard desktop computers and cannot be mixed with unbuffered modules.

Registered 288-pin form factor

The module fits a 288-pin DDR4 slot and presents a registered signal to the memory controller, reducing electrical load on the bus. It operates at 1.2V and follows JEDEC PC4-17000 timing, so it installs without configuration changes on compatible platforms.

Sustained data integrity

ECC circuitry detects and corrects single-bit errors during continuous operation, preventing silent data corruption in long-running workloads. Registered buffering keeps signal quality stable across full DIMM populations under extended load.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $201.99
Typical for this category: the median of 6,523 items is $188.99.
Total capacity 32 GB
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $6.31 per GB
Cheaper than about 61% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number2R1D42R432 GB
Total capacity32 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
CAS latencyCL15
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V

Other versions of this model

5 more in the same range

Questions about this item

Does the CL15 latency limit throughput when the module runs at 2133 MHz continuously?

CL15 is the rated timing at 2133 MHz; the module meets JEDEC specifications for sustained operation at that speed.

How much heat does the 1.2 V registered DIMM produce during all-day server workloads?

The module operates at 1.2 V without a heat spreader, relying on normal chassis airflow for cooling in server and workstation environments.

Must the system already support 288-pin DDR4 ECC registered memory for this 32 GB module to work?

Yes, the platform must accept 288-pin DDR4 ECC registered RDIMMs; it will not function in standard desktop or unbuffered memory slots.

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