Hardware Spec Index

Brontix FN-4939 SE 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4939-SE · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index396 (Case Fans scale)
Category rank#48,148
Street price$9
Power4 W
Performance per dollar44.00
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4939 SE
Size120 × 120 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4939 SE 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/25008538 (accessed 2026-10-24).