Hardware Spec Index

Brontix FN-3657 XT 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3657-XT · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index430 (Case Fans scale)
Category rank#7,171
Street price$19
Power4 W
Performance per dollar22.63
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3657 XT
Size120 × 120 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3657 XT 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/21752403 (accessed 2026-10-25).