Hardware Spec Index

Brontix FN-3961 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3961-PRO · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index486 (Case Fans scale)
Category rank#47,286
Street price$19
Power4 W
Performance per dollar25.58
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3961 Pro
Size120 × 120 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3961 Pro 120mm PWM Case Fan”, https://vextor7.com/item/20135419 (accessed 2026-10-22).