Hardware Spec Index

Brontix FN-5811 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN5811-PRO · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index358 (Case Fans scale)
Category rank#8,411
Street price$9
Power3 W
Performance per dollar39.78
Released2021

Specifications

BrandBrontix
ModelBrontix FN-5811 Pro
Size120 × 120 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5811 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/13005290 (accessed 2026-10-21).