Hardware Spec Index

Brontix FN-3975 Pro 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3975-PRO · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index1,125 (Case Fans scale)
Category rank#31,415
Street price$39
Power4 W
Performance per dollar28.85
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3975 Pro
Size140 × 140 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3975 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/1364036 (accessed 2026-10-19).