Hardware Spec Index

Brontix FN-9904 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9904-PRO · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index676 (Case Fans scale)
Category rank#6,820
Street price$19
Power3 W
Performance per dollar35.58
Released2024

Specifications

BrandBrontix
ModelBrontix FN-9904 Pro
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9904 Pro 120mm PWM Case Fan”, https://vextor7.com/item/14906407 (accessed 2026-10-25).