Hardware Spec Index

Brontix FN-9321 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9321-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index553 (Case Fans scale)
Category rank#37,424
Street price$19
Power4 W
Performance per dollar29.11
Released2020

Specifications

BrandBrontix
ModelBrontix FN-9321 Ultra
Size120 × 120 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9321 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3846948 (accessed 2026-10-22).