Hardware Spec Index

Brontix FN-3811 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3811-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index1,098 (Case Fans scale)
Category rank#1,508
Street price$29
Power3 W
Performance per dollar37.86
Released2026

Specifications

BrandBrontix
ModelBrontix FN-3811 Ultra
Size120 × 120 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise31 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-3811 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/73314539 (accessed 2026-10-20).