Hardware Spec Index

Brontix FN-5904 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN5904-ULTRA · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index689 (Case Fans scale)
Category rank#157
Street price$19
Power3 W
Performance per dollar36.26
Released2019

Specifications

BrandBrontix
ModelBrontix FN-5904 Ultra
Size120 × 120 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5904 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/7921993 (accessed 2026-10-21).