Hardware Spec Index

Brontix FN-6648 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN6648-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index581 (Case Fans scale)
Category rank#30,979
Street price$19
Power3 W
Performance per dollar30.58
Released2023

Specifications

BrandBrontix
ModelBrontix FN-6648 Ultra
Size140 × 140 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6648 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/48413610 (accessed 2026-10-20).