Hardware Spec Index

Brontix FN-5909 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN5909-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index915 (Case Fans scale)
Category rank#45,951
Street price$29
Power3 W
Performance per dollar31.55
Released2021

Specifications

BrandBrontix
ModelBrontix FN-5909 Ultra
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5909 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/35457392 (accessed 2026-10-20).