Hardware Spec Index

Brontix FN-3939 Plus 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3939-PLUS · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index1,258 (Case Fans scale)
Category rank#32,036
Street price$49
Power4 W
Performance per dollar25.67
Released2026

Specifications

BrandBrontix
ModelBrontix FN-3939 Plus
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 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-3939 Plus 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/4140793 (accessed 2026-10-26).