Hardware Spec Index

Brontix FN-4905 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4905-PRIME · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index346 (Case Fans scale)
Category rank#34,040
Street price$9
Power3 W
Performance per dollar38.44
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4905 Prime
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4905 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4540779 (accessed 2026-10-21).