Hardware Spec Index

Brontix FN-6905 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN6905-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index741 (Case Fans scale)
Category rank#38,671
Street price$19
Power3 W
Performance per dollar39.00
Released2019

Specifications

BrandBrontix
ModelBrontix FN-6905 Ultra
Size140 × 140 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6905 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/2196207 (accessed 2026-10-19).