Hardware Spec Index

Brontix FN-3978 Max 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3978-MAX · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,287 (Case Fans scale)
Category rank#37,937
Street price$49
Power3 W
Performance per dollar26.27
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3978 Max
Size140 × 140 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3978 Max 140mm PWM ARGB Case Fan”, https://vextor7.com/item/220339 (accessed 2026-10-19).