Hardware Spec Index

Brontix FN-4157 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4157-PRIME · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index382 (Case Fans scale)
Category rank#4,000
Street price$9
Power3 W
Performance per dollar42.44
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4157 Prime
Size140 × 140 × 25 mm
Speed200–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4157 Prime 140mm PWM Case Fan”, https://vextor7.com/item/35308571 (accessed 2026-10-25).