Hardware Spec Index

Brontix FN-5745 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5745-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index289 (Case Fans scale)
Category rank#28,784
Street price$9
Power3 W
Performance per dollar32.11
Released2019

Specifications

BrandBrontix
ModelBrontix FN-5745 Ultra
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5745 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/15054871 (accessed 2026-10-20).