Hardware Spec Index

Brontix FN-4785 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4785-PRIME · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index482 (Case Fans scale)
Category rank#35,453
Street price$19
Power3 W
Performance per dollar25.37
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4785 Prime
Size140 × 140 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4785 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/8958417 (accessed 2026-10-22).