Hardware Spec Index

Brontix FN-4006 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4006-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index376 (Case Fans scale)
Category rank#9,466
Street price$19
Power2 W
Performance per dollar19.79
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4006 Ultra
Size120 × 120 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4006 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/12933932 (accessed 2026-10-23).