Hardware Spec Index

Brontix FN-1143 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN1143-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index459 (Case Fans scale)
Category rank#24,543
Street price$19
Power4 W
Performance per dollar24.16
Released2020

Specifications

BrandBrontix
ModelBrontix FN-1143 Ultra
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-1143 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/6807524 (accessed 2026-10-25).