Hardware Spec Index

Brontix FN-9939 Core 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9939-CORE · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,400 (Case Fans scale)
Category rank#48,002
Street price$49
Power4 W
Performance per dollar28.57
Released2021

Specifications

BrandBrontix
ModelBrontix FN-9939 Core
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9939 Core 140mm PWM ARGB Case Fan”, https://vextor7.com/item/87637809 (accessed 2026-10-24).