Hardware Spec Index

Brontix FN-3979 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3979-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index751 (Case Fans scale)
Category rank#19,506
Street price$19
Power3 W
Performance per dollar39.53
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3979 Ultra
Size140 × 140 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3979 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/8094494 (accessed 2026-10-19).