Hardware Spec Index

Brontix FN-1633 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN1633-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index540 (Case Fans scale)
Category rank#4,295
Street price$19
Power3 W
Performance per dollar28.42
Released2021

Specifications

BrandBrontix
ModelBrontix FN-1633 Ultra
Size140 × 140 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-1633 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/4921073 (accessed 2026-10-22).