Hardware Spec Index

Brontix FN-5531 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN5531-PRIME · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index566 (Case Fans scale)
Category rank#6,822
Street price$19
Power3 W
Performance per dollar29.79
Released2023

Specifications

BrandBrontix
ModelBrontix FN-5531 Prime
Size120 × 120 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5531 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/20148581 (accessed 2026-10-20).