Hardware Spec Index

Brontix FN-4742 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4742-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index1,378 (Case Fans scale)
Category rank#19,075
Street price$49
Power3 W
Performance per dollar28.12
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4742 Ultra
Size140 × 140 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise28 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-4742 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/7526216 (accessed 2026-10-25).