Hardware Spec Index

Brontix FN-5221 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN5221-PRO · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index403 (Case Fans scale)
Category rank#15,617
Street price$19
Power3 W
Performance per dollar21.21
Released2020

Specifications

BrandBrontix
ModelBrontix FN-5221 Pro
Size140 × 140 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5221 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/13375422 (accessed 2026-10-26).