Hardware Spec Index

Brontix FN-5521 Plus 120mm PWM Case Fan

Case Fans · Brontix · SKU FN5521-PLUS · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index779 (Case Fans scale)
Category rank#34,164
Street price$29
Power4 W
Performance per dollar26.86
Released2020

Specifications

BrandBrontix
ModelBrontix FN-5521 Plus
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5521 Plus 120mm PWM Case Fan”, https://vextor7.com/item/94814822 (accessed 2026-10-25).