Hardware Spec Index

Brontix FN-3994 SE 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3994-SE · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index1,143 (Case Fans scale)
Category rank#385
Street price$49
Power3 W
Performance per dollar23.33
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3994 SE
Size140 × 140 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3994 SE 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/32634302 (accessed 2026-10-25).