Hardware Spec Index

Brontix FN-4939 Ti 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4939-TI · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index450 (Case Fans scale)
Category rank#481
Street price$9
Power3 W
Performance per dollar50.00
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4939 Ti
Size120 × 120 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4939 Ti 120mm PWM Case Fan”, https://vextor7.com/item/11675997 (accessed 2026-10-19).