Hardware Spec Index

Brontix FN-3984 Prime 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3984-PRIME · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index1,153 (Case Fans scale)
Category rank#19,839
Street price$39
Power3 W
Performance per dollar29.56
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3984 Prime
Size120 × 120 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise22 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-3984 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/20078327 (accessed 2026-10-21).