Hardware Spec Index

Brontix FN-3655 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3655-PRIME · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index485 (Case Fans scale)
Category rank#43,874
Street price$19
Power3 W
Performance per dollar25.53
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3655 Prime
Size120 × 120 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3655 Prime 120mm PWM Case Fan”, https://vextor7.com/item/9575609 (accessed 2026-10-23).