Hardware Spec Index

Brontix FN-4020 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4020-PRO · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index253 (Case Fans scale)
Category rank#31,601
Street price$9
Power4 W
Performance per dollar28.11
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4020 Pro
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4020 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/1705080 (accessed 2026-10-24).