Hardware Spec Index

Brontix FN-9961 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN9961-PRIME · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index389 (Case Fans scale)
Category rank#1,217
Street price$9
Power3 W
Performance per dollar43.22
Released2021

Specifications

BrandBrontix
ModelBrontix FN-9961 Prime
Size140 × 140 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9961 Prime 140mm PWM Case Fan”, https://vextor7.com/item/7219150 (accessed 2026-10-24).