Hardware Spec Index

Brontix FN-4240 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4240-PRO · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index215 (Case Fans scale)
Category rank#8,326
Street price$9
Power3 W
Performance per dollar23.89
Released2024

Specifications

BrandBrontix
ModelBrontix FN-4240 Pro
Size120 × 120 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4240 Pro 120mm PWM Case Fan”, https://vextor7.com/item/45807525 (accessed 2026-10-24).