Hardware Spec Index

Brontix FN-6439 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN6439-ULTRA · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index542 (Case Fans scale)
Category rank#14,637
Street price$19
Power3 W
Performance per dollar28.53
Released2026

Specifications

BrandBrontix
ModelBrontix FN-6439 Ultra
Size120 × 120 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6439 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/31495703 (accessed 2026-10-25).