Hardware Spec Index

Brontix FN-5558 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN5558-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index442 (Case Fans scale)
Category rank#14,749
Street price$19
Power3 W
Performance per dollar23.26
Released2022

Specifications

BrandBrontix
ModelBrontix FN-5558 Ultra
Size120 × 120 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5558 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/64024445 (accessed 2026-10-26).