Hardware Spec Index

Brontix FN-5757 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5757-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index528 (Case Fans scale)
Category rank#19,569
Street price$19
Power3 W
Performance per dollar27.79
Released2021

Specifications

BrandBrontix
ModelBrontix FN-5757 Ultra
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5757 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/13453023 (accessed 2026-10-21).