Hardware Spec Index

Brontix FN-2977 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN2977-PRO · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index320 (Case Fans scale)
Category rank#30,322
Street price$9
Power3 W
Performance per dollar35.56
Released2026

Specifications

BrandBrontix
ModelBrontix FN-2977 Pro
Size140 × 140 × 25 mm
Speed200–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-2977 Pro 140mm PWM Case Fan”, https://vextor7.com/item/54371927 (accessed 2026-10-21).