Hardware Spec Index

Brontix FN-8904 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN8904-ULTRA · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index201 (Case Fans scale)
Category rank#47,400
Street price$9
Power4 W
Performance per dollar22.33
Released2022

Specifications

BrandBrontix
ModelBrontix FN-8904 Ultra
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-8904 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/1765145 (accessed 2026-10-23).