Hardware Spec Index

Brontix FN-4257 Prime 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4257-PRIME · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index1,032 (Case Fans scale)
Category rank#34,914
Street price$29
Power3 W
Performance per dollar35.59
Released2026

Specifications

BrandBrontix
ModelBrontix FN-4257 Prime
Size120 × 120 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4257 Prime 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/4070022 (accessed 2026-10-21).