Hardware Spec Index

Brontix FN-4690 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4690-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index700 (Case Fans scale)
Category rank#17,970
Street price$19
Power3 W
Performance per dollar36.84
Released2026

Specifications

BrandBrontix
ModelBrontix FN-4690 Ultra
Size140 × 140 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4690 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/80243469 (accessed 2026-10-20).