Hardware Spec Index

Brontix FN-5740 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN5740-ULTRA · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index1,211 (Case Fans scale)
Category rank#44,525
Street price$39
Power3 W
Performance per dollar31.05
Released2020

Specifications

BrandBrontix
ModelBrontix FN-5740 Ultra
Size140 × 140 × 25 mm
Speed500–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise25 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-5740 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/10838151 (accessed 2026-10-26).