Hardware Spec Index

Brontix FN-4220 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4220-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index670 (Case Fans scale)
Category rank#7,983
Street price$19
Power4 W
Performance per dollar35.26
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4220 Ultra
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4220 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/86529260 (accessed 2026-10-25).