Dell POWEREDGE 350 COOLING FAN Does this fan have a brushed motor?

The Exhaust Fan/Video Card System Fan Kit from StarTech is an add-in cooling fan designed to fit in the PCI or ISA expansion slots of any computer. It is used to exhaust warm air out preventing problems due to overheating components. The exhaust fan inlet faces adjacent PCI or AGP cards and makes a great video card cooler for hot running 3D accelerator cards like the Voodoo TNT2 GeForce256 and others. A quiet running brushless DC motor coupled with a high efficiency blade design is capable of moving 36 CFM (cubic feet per minute) of air. Power is supplied to the fan using a standard LP4