Hardware Spec Index

Brontix FN-3331 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3331-PRIME · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index650 (Case Fans scale)
Category rank#6,529
Street price$19
Power3 W
Performance per dollar34.21
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3331 Prime
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3331 Prime 140mm PWM Case Fan”, https://vextor7.com/item/43037152 (accessed 2026-10-26).