Hardware Spec Index

Brontix FN-4090 Pro 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4090-PRO · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index1,256 (Case Fans scale)
Category rank#7,323
Street price$39
Power3 W
Performance per dollar32.21
Released2026

Specifications

BrandBrontix
ModelBrontix FN-4090 Pro
Size140 × 140 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4090 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/2743884 (accessed 2026-10-21).