Hardware Spec Index

Brontix FN-3990 Edge 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3990-EDGE · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index426 (Case Fans scale)
Category rank#31,804
Street price$9
Power2 W
Performance per dollar47.33
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3990 Edge
Size120 × 120 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3990 Edge 120mm PWM Case Fan”, https://vextor7.com/item/8078732 (accessed 2026-10-22).