Hardware Spec Index

Brontix FN-4939 Prime 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4939-PRIME · Released 2019 · Updated 2026-10-18

Key facts

Benchmark index1,400 (Case Fans scale)
Category rank#20,897
Street price$49
Power2 W
Performance per dollar28.57
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4939 Prime
Size120 × 120 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise30 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-4939 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/549159 (accessed 2026-10-18).