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Two green DDR4 RDIMM modules, black chips, no heat spreader

OWC

OWC 32GB (2x16GB) DDR4 3200 CL22 ECC Registered RDIMM 1.2V 288-pin Server RAM

SKU CH-208T-4QA37

A 32 GB dual-channel DDR4 kit with two 16 GB registered ECC RDIMMs running at 3200 MT/s CL22 and 1.2 V for server workloads

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 32GB (2 x 16GB)

Show 4 more

Rank 2Rx4

  • ECC registered design protects data integrity in servers
  • 32 GB dual-channel kit expands memory capacity
  • DDR4 3200 speed matches PC4-25600 bandwidth
  • 2 V operation reduces power draw
  • 288-pin RDIMM form factor fits registered slots

ECC Registered DDR4 Kit

This OWC kit supplies 32GB of DDR4 3200 memory as two 16GB RDIMMs. Each module runs at CL22 latency and 1.2V, using a 2Rx4 registered design that meets JEDEC specifications. The dual-channel package is built for server and workstation platforms that require registered ECC memory.

Server and workstation upgrades

Administrators refreshing compatible DDR4 RDIMM slots can use this kit to add capacity with error-correcting registered modules. The parts will not function in standard desktop boards that accept only unbuffered non-ECC DIMMs, and they cannot be mixed with unbuffered memory in the same system.

Registered ECC requirement

The single specification that decides fit is the registered ECC RDIMM format. Only motherboards and processors that explicitly support DDR4 registered ECC modules at 288-pin DDR4 3200 will accept this kit.

How it compares

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

Price $216.99
Typical for this category: the median of 6,523 items is $188.99.
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $6.78 per GB
Cheaper than about 55% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number3R2D42R4032P
Total capacity32 GB (2 × 16 GB)
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.2 V

Other versions of this model

5 more in the same range

Questions about this item

Does my motherboard need 288-pin DDR4 slots that support ECC Registered RDIMMs at 1.2V for this kit to work?

Yes, the modules are 288-pin DDR4 ECC Registered RDIMMs running at 1.2V, so the board must accept that form factor and voltage.

Will this CL22 2Rx4 kit run at the same speed as slower DDR4 ECC Registered DIMMs I keep installed?

The kit is rated DDR4 3200 CL22; when mixed with slower modules the system typically downclocks all DIMMs to the lowest common speed.

How can I verify the 32GB dual-channel kit is recognised at 3200MHz CL22 after installation?

Check the BIOS or UEFI memory info screen — it should show 32GB total, DDR4-3200 frequency and CL22 timings for the new DIMMs.

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