Hardware Spec Index

Brontix FN-6739 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN6739-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index433 (Case Fans scale)
Category rank#20,454
Street price$19
Power3 W
Performance per dollar22.79
Released2022

Specifications

BrandBrontix
ModelBrontix FN-6739 Ultra
Size140 × 140 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6739 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/5603034 (accessed 2026-10-26).