Hardware Spec Index

Brontix FN-3999 Plus 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3999-PLUS · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index231 (Case Fans scale)
Category rank#32,998
Street price$9
Power2 W
Performance per dollar25.67
Released2026

Specifications

BrandBrontix
ModelBrontix FN-3999 Plus
Size120 × 120 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3999 Plus 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/90284023 (accessed 2026-10-25).