Hardware Spec Index

Brontix FN-4258 Prime 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4258-PRIME · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index955 (Case Fans scale)
Category rank#40,984
Street price$29
Power3 W
Performance per dollar32.93
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4258 Prime
Size120 × 120 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4258 Prime 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/534670 (accessed 2026-10-25).