Hardware Spec Index

Brontix FN-3988 Max 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3988-MAX · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index663 (Case Fans scale)
Category rank#40,615
Street price$19
Power4 W
Performance per dollar34.89
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3988 Max
Size120 × 120 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3988 Max 120mm PWM Case Fan”, https://vextor7.com/item/9301232 (accessed 2026-10-20).