Hardware Spec Index

Brontix FN-4045 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4045-ULTRA · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index561 (Case Fans scale)
Category rank#47,560
Street price$19
Power3 W
Performance per dollar29.53
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4045 Ultra
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 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-4045 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/71752998 (accessed 2026-10-26).