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Green circuit board with black chips, 288 gold pins, no heat spreader

OWC

OWC 8GB DDR4 2666 CL19 ECC Unbuffered UDIMM desktop RAM

SKU CH-JFVH-6WPGT

8GB DDR4 2666 CL19 ECC unbuffered UDIMM for desktops, workstations, servers and NAS with 1.2V operation and backward compatibility to 2400 and 2133MHz

  • Total capacity8 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forWorkstations, Servers, and NAS Systems
  • ECC protection keeps data accurate in critical workloads
  • 2666 MHz speed delivers responsive multitasking performance
  • 2 V operation reduces system power draw
  • 288-pin UDIMM fits standard desktop and NAS slots
  • Backward compatible with 2133 MHz and 2400 MHz systems

8GB DDR4 2666 ECC UDIMM

This module delivers eight gigabytes of DDR4 memory at 2666 MT/s with CL19 latency. It uses a 288-pin unbuffered DIMM form factor and operates at 1.2 volts. The ECC feature provides error correction for data integrity.

Suited for servers and NAS devices needing ECC

Workstations, servers and NAS systems that require error-correcting memory will benefit from this module. Systems without ECC support in the chipset or BIOS cannot use the correction function. Non-ECC consumer boards should choose standard unbuffered memory instead.

ECC unbuffered operation decides compatibility

The single specification that determines fit is the ECC unbuffered design. Only motherboards and NAS units that explicitly support ECC unbuffered DDR4 UDIMMs will activate error correction. Check the system manual for ECC UDIMM support before purchase.

How it compares

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

Price $59.99
Cheaper than about 60% of the 3,647 comparable items (median $90.99).
Total capacity 8 GB
Lower than about 60% of the 3,251 comparable items (median 16 GB).
Price per GB $7.50 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 number2E6D41R808 GB
Total capacity8 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

Questions about this item

Will this ECC UDIMM work in a standard desktop motherboard that does not support ECC?

The module is an ECC unbuffered DIMM; it will only function on motherboards and chipsets that explicitly support ECC memory.

Can I mix this 2666 MHz stick with existing 2133 MHz or 2400 MHz memory?

Yes, it is backward compatible with 2133 MHz and 2400 MHz modules, but the system will run all sticks at the speed of the slowest module.

Does the module require a heat spreader or active cooling for typical workstation or NAS use?

No heat spreader is included; the 1.2 V DDR4 design runs cool enough for standard workstation, server and NAS chassis airflow.

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