Hardware Spec Index

Brontix FN-3978 SE 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3978-SE · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index823 (Case Fans scale)
Category rank#39,088
Street price$29
Power3 W
Performance per dollar28.38
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3978 SE
Size120 × 120 × 25 mm
Speed200–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3978 SE 120mm PWM ARGB Case Fan”, https://vextor7.com/item/32930899 (accessed 2026-10-25).