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Green 288-pin DDR4 ECC registered DIMM, no heat spreader

OWC

OWC 32GB DDR4 2666 ECC Registered RDIMM 2Rx4 1.2V server RAM

SKU CH-WKWF-ERCVS

32 GB DDR4 2666 ECC registered RDIMM for servers, workstations and NAS systems with CL19 latency and 1.2 V operation

  • Total capacity32 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4
  • 32GB capacity expands server memory headroom
  • ECC registered design protects data integrity in critical workloads
  • DDR4 2666MHz speed delivers PC4-21300 bandwidth for demanding applications
  • 2V operation reduces power draw and thermal load
  • 288-pin RDIMM form factor fits compatible server and workstation slots

Server-grade 32 GB DDR4 module

This 32 GB DDR4 2666 MHz ECC registered RDIMM is built for servers, workstations and NAS systems that require error-correcting registered memory. It runs at 1.2 V with CL19 latency and uses a 2Rx4 organisation on a 288-pin form factor.

Installation requires registered DIMM slots

The module fits standard 288-pin DDR4 registered DIMM sockets and is backward compatible with 2133 MHz and 2400 MHz bus speeds. It will not work in desktop boards that accept only unbuffered memory and cannot be mixed with unbuffered modules in the same system.

Steady operation under sustained load

ECC and registered buffering maintain data integrity during continuous workloads such as virtualisation, database serving or long render jobs. JEDEC-compliant 1.2 V operation keeps power draw predictable while the CL19 timing delivers consistent throughput without thermal throttling.

How it compares

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

Price $191.99
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 $6.00 per GB
Cheaper than about 64% of the 6,064 comparable items (median $7.25 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number2R6D42R432 GB
Total capacity32 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V

Questions about this item

How can I verify the OWC 32GB DDR4 2666 ECC RDIMM is running at the correct speed after installation?

Enter the server BIOS or use a system information tool to confirm the memory is detected at 2666MHz with CL19 timings and 1.2V operation.

What comes with the OWC 32GB DDR4 2666 ECC Registered RDIMM and what else might be needed?

The package contains the single 288-pin 2Rx4 module; additional DIMMs must be purchased separately to populate other slots or reach desired capacity.

Which OWC DDR4 2666 ECC Registered RDIMM capacity should I choose for my server upgrade?

This 32GB 2Rx4 module suits systems needing high density per slot; select it when your platform supports registered ECC and you require 32GB per DIMM.

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