Hardware Spec Index

Brontix FN-3821 SE 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3821-SE · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index225 (Case Fans scale)
Category rank#21,505
Street price$9
Power3 W
Performance per dollar25.00
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3821 SE
Size120 × 120 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3821 SE 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/37521542 (accessed 2026-10-23).