Hardware Spec Index

Brontix FN-9771 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9771-PRIME · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index461 (Case Fans scale)
Category rank#32,031
Street price$19
Power3 W
Performance per dollar24.26
Released2024

Specifications

BrandBrontix
ModelBrontix FN-9771 Prime
Size140 × 140 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9771 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/14548181 (accessed 2026-10-26).