Hardware Spec Index

Brontix FN-3701 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3701-PRIME · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index835 (Case Fans scale)
Category rank#34,823
Street price$19
Power2 W
Performance per dollar43.95
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3701 Prime
Size140 × 140 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3701 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/48757946 (accessed 2026-10-20).