Hardware Spec Index

Brontix FN-5655 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5655-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index525 (Case Fans scale)
Category rank#26,259
Street price$19
Power4 W
Performance per dollar27.63
Released2021

Specifications

BrandBrontix
ModelBrontix FN-5655 Ultra
Size140 × 140 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5655 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/375938 (accessed 2026-10-22).