Hardware Spec Index

Brontix FN-5221 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5221-PRIME · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index469 (Case Fans scale)
Category rank#28,513
Street price$19
Power4 W
Performance per dollar24.68
Released2019

Specifications

BrandBrontix
ModelBrontix FN-5221 Prime
Size140 × 140 × 25 mm
Speed500–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5221 Prime 140mm PWM Case Fan”, https://vextor7.com/item/83672512 (accessed 2026-10-21).