Hardware Spec Index

Brontix FN-4975 Pro 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4975-PRO · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index858 (Case Fans scale)
Category rank#22,393
Street price$29
Power3 W
Performance per dollar29.59
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4975 Pro
Size140 × 140 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4975 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/9659249 (accessed 2026-10-22).