Hardware Spec Index

Brontix FN-3658 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3658-PRIME · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index222 (Case Fans scale)
Category rank#31,979
Street price$9
Power3 W
Performance per dollar24.67
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3658 Prime
Size120 × 120 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3658 Prime 120mm PWM Case Fan”, https://vextor7.com/item/46975432 (accessed 2026-10-23).