Hardware Spec Index

Brontix FN-4721 SE 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4721-SE · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index341 (Case Fans scale)
Category rank#3,003
Street price$9
Power3 W
Performance per dollar37.89
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4721 SE
Size140 × 140 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4721 SE 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/27365729 (accessed 2026-10-24).