Hardware Spec Index

Brontix FN-4075 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4075-ULTRA · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index891 (Case Fans scale)
Category rank#13,648
Street price$29
Power3 W
Performance per dollar30.72
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4075 Ultra
Size140 × 140 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise22 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-4075 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/784098 (accessed 2026-10-22).