Hardware Spec Index

Brontix FN-5405 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN5405-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index836 (Case Fans scale)
Category rank#17,366
Street price$29
Power3 W
Performance per dollar28.83
Released2025

Specifications

BrandBrontix
ModelBrontix FN-5405 Ultra
Size140 × 140 × 25 mm
Speed400–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5405 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/126334 (accessed 2026-10-19).