Hardware Spec Index

Brontix FN-3421 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3421-XT · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index423 (Case Fans scale)
Category rank#15,754
Street price$19
Power3 W
Performance per dollar22.26
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3421 XT
Size140 × 140 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3421 XT 140mm PWM Case Fan”, https://vextor7.com/item/9835343 (accessed 2026-10-25).