Hardware Spec Index

Brontix FN-3641 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3641-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index390 (Case Fans scale)
Category rank#16,241
Street price$9
Power3 W
Performance per dollar43.33
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3641 Ultra
Size120 × 120 × 25 mm
Speed200–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3641 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/440008 (accessed 2026-10-26).