Hardware Spec Index

Brontix FN-5661 SE 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5661-SE · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index217 (Case Fans scale)
Category rank#21,392
Street price$9
Power3 W
Performance per dollar24.11
Released2022

Specifications

BrandBrontix
ModelBrontix FN-5661 SE
Size140 × 140 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5661 SE 140mm PWM Case Fan”, https://vextor7.com/item/4340122 (accessed 2026-10-26).