Hardware Spec Index

Brontix FN-4240 XT 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4240-XT · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index534 (Case Fans scale)
Category rank#9,040
Street price$19
Power3 W
Performance per dollar28.11
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4240 XT
Size120 × 120 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4240 XT 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/45918416 (accessed 2026-10-20).