Hardware Spec Index

Brontix FN-9851 Pro 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9851-PRO · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,259 (Case Fans scale)
Category rank#37,872
Street price$39
Power4 W
Performance per dollar32.28
Released2021

Specifications

BrandBrontix
ModelBrontix FN-9851 Pro
Size120 × 120 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9851 Pro 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/9607833 (accessed 2026-10-20).