Hardware Spec Index

Brontix FN-3957 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3957-PRIME · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index667 (Case Fans scale)
Category rank#6,777
Street price$19
Power4 W
Performance per dollar35.11
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3957 Prime
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3957 Prime 120mm PWM Case Fan”, https://vextor7.com/item/3288308 (accessed 2026-10-22).