Hardware Spec Index

Brontix FN-3121 XT 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3121-XT · Released 2023 · Updated 2026-10-18

Key facts

Benchmark index443 (Case Fans scale)
Category rank#11,285
Street price$19
Power3 W
Performance per dollar23.32
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3121 XT
Size120 × 120 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3121 XT 120mm PWM Case Fan”, https://vextor7.com/item/3985293 (accessed 2026-10-18).