Hardware Spec Index

Brontix FN-9840 Plus 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9840-PLUS · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index1,391 (Case Fans scale)
Category rank#20,698
Street price$49
Power4 W
Performance per dollar28.39
Released2023

Specifications

BrandBrontix
ModelBrontix FN-9840 Plus
Size120 × 120 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9840 Plus 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/463312 (accessed 2026-10-20).