Hardware Spec Index

Brontix FN-4257 Prime 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4257-PRIME · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,050 (Case Fans scale)
Category rank#26,259
Street price$29
Power4 W
Performance per dollar36.21
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4257 Prime
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4257 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/31363558 (accessed 2026-10-25).