Hardware Spec Index

Brontix FN-5690 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5690-ULTRA · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index686 (Case Fans scale)
Category rank#18,875
Street price$19
Power3 W
Performance per dollar36.11
Released2019

Specifications

BrandBrontix
ModelBrontix FN-5690 Ultra
Size140 × 140 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5690 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/43670227 (accessed 2026-10-23).