Hardware Spec Index

Brontix FN-5405 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5405-PRIME · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index349 (Case Fans scale)
Category rank#23,343
Street price$9
Power3 W
Performance per dollar38.78
Released2022

Specifications

BrandBrontix
ModelBrontix FN-5405 Prime
Size140 × 140 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5405 Prime 140mm PWM Case Fan”, https://vextor7.com/item/28117037 (accessed 2026-10-22).