Hardware Spec Index

Brontix FN-4158 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4158-PRIME · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index300 (Case Fans scale)
Category rank#32,391
Street price$9
Power3 W
Performance per dollar33.33
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4158 Prime
Size120 × 120 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4158 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/53669709 (accessed 2026-10-21).