Hardware Spec Index

Brontix FN-9921 Ti 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9921-TI · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index661 (Case Fans scale)
Category rank#32,318
Street price$19
Power3 W
Performance per dollar34.79
Released2021

Specifications

BrandBrontix
ModelBrontix FN-9921 Ti
Size120 × 120 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9921 Ti 120mm PWM Case Fan”, https://vextor7.com/item/6858075 (accessed 2026-10-22).