Hardware Spec Index

Brontix FN-4046 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4046-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index562 (Case Fans scale)
Category rank#5,530
Street price$19
Power3 W
Performance per dollar29.58
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4046 Ultra
Size120 × 120 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4046 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/11619586 (accessed 2026-10-19).