Hardware Spec Index

Brontix FN-3870 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3870-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index754 (Case Fans scale)
Category rank#1,214
Street price$19
Power3 W
Performance per dollar39.68
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3870 Ultra
Size120 × 120 × 25 mm
Speed200–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3870 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/92632339 (accessed 2026-10-26).