Hardware Spec Index

Brontix FN-7921 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN7921-PRO · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index441 (Case Fans scale)
Category rank#23,974
Street price$19
Power3 W
Performance per dollar23.21
Released2022

Specifications

BrandBrontix
ModelBrontix FN-7921 Pro
Size120 × 120 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7921 Pro 120mm PWM Case Fan”, https://vextor7.com/item/95961354 (accessed 2026-10-21).