Hardware Spec Index

Brontix FN-4975 Ti 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4975-TI · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index383 (Case Fans scale)
Category rank#13,080
Street price$19
Power3 W
Performance per dollar20.16
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4975 Ti
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4975 Ti 140mm PWM Case Fan”, https://vextor7.com/item/1917065 (accessed 2026-10-25).