Hardware Spec Index

Brontix FN-4357 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4357-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index828 (Case Fans scale)
Category rank#9,384
Street price$29
Power3 W
Performance per dollar28.55
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4357 Ultra
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise31 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-4357 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/278223 (accessed 2026-10-20).