Hardware Spec Index

Brontix FN-9921 Plus 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9921-PLUS · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index446 (Case Fans scale)
Category rank#5,952
Street price$9
Power4 W
Performance per dollar49.56
Released2022

Specifications

BrandBrontix
ModelBrontix FN-9921 Plus
Size120 × 120 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9921 Plus 120mm PWM Case Fan”, https://vextor7.com/item/2733155 (accessed 2026-10-26).