Hardware Spec Index

Brontix FN-3771 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3771-PRO · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index624 (Case Fans scale)
Category rank#11,095
Street price$19
Power3 W
Performance per dollar32.84
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3771 Pro
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3771 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/241397 (accessed 2026-10-22).