Hardware Spec Index

Brontix FN-9921 Edge 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9921-EDGE · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index444 (Case Fans scale)
Category rank#40,653
Street price$9
Power4 W
Performance per dollar49.33
Released2022

Specifications

BrandBrontix
ModelBrontix FN-9921 Edge
Size120 × 120 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9921 Edge 120mm PWM Case Fan”, https://vextor7.com/item/1035708 (accessed 2026-10-22).