Hardware Spec Index

Brontix FN-6811 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN6811-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index984 (Case Fans scale)
Category rank#44,257
Street price$29
Power3 W
Performance per dollar33.93
Released2025

Specifications

BrandBrontix
ModelBrontix FN-6811 Ultra
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6811 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/64027812 (accessed 2026-10-26).