Hardware Spec Index

Brontix FN-3631 Plus 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3631-PLUS · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index798 (Case Fans scale)
Category rank#48,559
Street price$19
Power4 W
Performance per dollar42.00
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3631 Plus
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3631 Plus 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/6095765 (accessed 2026-10-23).