Hardware Spec Index

Brontix FN-4978 Ti 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4978-TI · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index661 (Case Fans scale)
Category rank#10,663
Street price$19
Power3 W
Performance per dollar34.79
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4978 Ti
Size140 × 140 × 25 mm
Speed500–1,500 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-4978 Ti 140mm PWM Case Fan”, https://vextor7.com/item/461703 (accessed 2026-10-22).