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Black 288-pin DDR4 UDIMM module 32GB 2666MHz ECC unbuffered no heat spreader

OWC

OWC 32GB DDR4 2666MHz ECC Unbuffered UDIMM desktop RAM

SKU CH-RHD0-EAHDH

A 32GB DDR4 2666MHz ECC unbuffered UDIMM for workstations, servers and NAS systems, running at 1.2V with CL19 latency

  • Total capacity32 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forWorkstations, Servers, and NAS Systems

Capacity 32GB

  • ECC protection safeguards data integrity in critical workloads
  • 32GB single module expands capacity for multitasking and large datasets
  • 2666MHz CL19 speed delivers responsive performance for workstations
  • 2V low voltage reduces power draw and heat output
  • JEDEC compliant design ensures broad compatibility with DDR4 systems

32GB DDR4 2666MHz ECC UDIMM

This is a single 32GB DDR4 2666MHz PC4-21300 CL19 module built to JEDEC specifications. It runs at 1.2V and uses an unbuffered 288-pin layout with ECC for error correction.

Suited for workstations, servers and NAS systems

Systems that require data integrity benefit from the ECC function and 2RX8 organisation. Platforms without ECC support in the chipset or BIOS should look at non-ECC memory instead.

Steady operation at rated speed

The module maintains 2666MHz under sustained load thanks to standard voltage and JEDEC timings. Backward compatibility with 2133MHz and 2400MHz allows it to downclock automatically when the platform demands it.

How it compares

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

Price $241.99
Pricier than about 72% of the 3,647 comparable items (median $90.99).
Total capacity 32 GB
Higher than about 70% of the 3,251 comparable items (median 16 GB).
Price per GB $7.56 per GB
Pricier than about 55% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number2E6D42R832 GB
Total capacity32 GB
Product colorBlack
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportYes
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Recommended forWorkstations, Servers, and NAS Systems
More details
LED lightingNone

Other versions of this model

5 more in the same range

Questions about this item

Will this ECC UDIMM work in a standard desktop motherboard?

Only if the motherboard explicitly supports unbuffered ECC memory; many consumer boards do not enable ECC even when the slot fits.

Can I mix this 32GB module with my existing 2133MHz or 2400MHz RAM?

Yes, the module is backward compatible with 2133MHz and 2400MHz speeds and will run at the lowest installed speed.

Does the single 32GB stick leave room for future expansion?

That depends on how many DIMM slots your board has and its maximum supported capacity per slot.

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