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Green rectangular memory module with gold edge connectors and black chips

Qnap

Qnap RAM8GDR4ECT0UD2666 8GB DDR4 ECC desktop RAM 2666 MHz

SKU CH-9XWR-BBHD9 MPN RAM8GDR4ECT0UD2666

Adds 8 GB of DDR4 ECC UDIMM memory at 2666 MHz to compatible QNAP desktop NAS models

  • ECC protection guards data integrity for critical workloads
  • 2666 MHz DDR4 speed feeds CPU cores with low latency
  • 8 GB capacity expands multitasking headroom on compatible QNAP systems
  • UDIMM form factor fits standard desktop memory slots
  • Qualified for TS-H686 and TS-H886 platforms ensuring drop-in compatibility

8GB ECC DDR4 Module for TS-H686 and TS-H886

This 8GB DDR4 ECC UDIMM operates at 2666 MHz and is validated for QNAP TS-H686 and TS-H886 systems. It provides error-correcting memory for workloads that require data integrity. Buyers who need non-ECC memory or higher-capacity modules should look elsewhere.

Sustained Load Behaviour

The ECC design detects and corrects single-bit errors during continuous operation, helping maintain data accuracy in long-running tasks such as file serving or virtualization. The 2666 MHz rating applies to steady-state throughput rather than short bursts. Systems without ECC support cannot use this module.

Thermals, Noise and Power

As a passive UDIMM, the module has no moving parts and produces no audible noise. Power draw is limited to the standard DDR4 voltage required for 2666 MHz operation. Heat output remains low enough for typical chassis airflow without additional cooling.

Points forts

  • ECC protection guards data integrity for critical workloads
  • 2666 MHz DDR4 speed feeds CPU cores with low latency
  • 8 GB capacity expands multitasking headroom on compatible QNAP systems
  • UDIMM form factor fits standard desktop memory slots
  • Qualified for TS-H686 and TS-H886 platforms ensuring drop-in compatibility

Caractéristiques

BrandQNAP
Poids d’expédition0.45 kg
Dimensions du colis513 × 157 × 15 mm

Questions sur cet article

Will this 8GB DDR4 2666 MHz ECC module generate much heat or noise during continuous operation?

As a passive memory module it produces no noise, and standard DDR4 ECC UDIMMs run at low voltage with minimal heat output under sustained load.

Which QNAP NAS models are confirmed compatible with this RAM8GDR4ECT0UD2666 stick?

The manufacturer highlights the TS-H686 and TS-H886 as supported platforms for this 8GB DDR4 ECC UDIMM.

Can I pair this 2666 MHz ECC UDIMM with slower DDR4 modules already in my system?

Mixing speeds is possible; the memory controller will typically downclock all modules to the lowest rated frequency and tightest timings.

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