Hardware Spec Index

Brontix FN-9621 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9621-PRIME · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index300 (Case Fans scale)
Category rank#6,106
Street price$9
Power3 W
Performance per dollar33.33
Released2021

Specifications

BrandBrontix
ModelBrontix FN-9621 Prime
Size120 × 120 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9621 Prime 120mm PWM Case Fan”, https://vextor7.com/item/437999 (accessed 2026-10-22).