Hardware Spec Index

Brontix FN-9811 Prime 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9811-PRIME · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index1,281 (Case Fans scale)
Category rank#1,839
Street price$49
Power2 W
Performance per dollar26.14
Released2021

Specifications

BrandBrontix
ModelBrontix FN-9811 Prime
Size140 × 140 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9811 Prime 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/15029481 (accessed 2026-10-21).