Hardware Spec Index

Brontix FN-3121 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3121-XT · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index625 (Case Fans scale)
Category rank#33,921
Street price$19
Power2 W
Performance per dollar32.89
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3121 XT
Size140 × 140 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3121 XT 140mm PWM Case Fan”, https://vextor7.com/item/2995217 (accessed 2026-10-19).