Hardware Spec Index

Teralux FN-9866 Ultra 140mm PWM Case Fan

Case Fans · Teralux · SKU FN9866-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index615 (Case Fans scale)
Category rank#20,991
Street price$19
Power3 W
Performance per dollar32.37
Released2021

Specifications

BrandTeralux
ModelTeralux FN-9866 Ultra
Size140 × 140 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9866 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/3547880 (accessed 2026-10-23).