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Prolimatech Blue Vortex 12

We’ve managed to get a rather rare product for this review: Prolimatech Blue Vortex 12. It is shipped in a cardboard box:

The cutout in the front of the packaging lets you see the fan’s blades. The speed of the fan is indicated on the packaging. Detailed specs are listed on the back. The fan is shipped together with a PATA power adapter, four self-tipping screws, and a short cable with a step-down resistor.

The Prolimatech Blue Vortex 12 is manufactured in China and costs a mere $7. Its warranty lasts 1 year.

The fan looks ordinary, yet quite attractive. The blue 7-blade impeller is in contrast with the black frame.

 

There’s nothing extraordinary about the Prolimatech Blue Vortex 12 from a technological point of view. Its impeller and motor are 111 and 45 mm in diameter, respectively. Its weight is 135 grams.

The blades are short and thick with a small angle of attack and a rounded front edge. The interior of the frame has two bevels.

The surface of the impeller blades is rough to the touch but we don’t know if this has any technical purpose. The fan has a rated speed of 1600 RPM but you can slow it down to 1200 RPM by means of the included resistor cable. At the maximum speed the fan produces an air flow of 72.7 CFM at 29.1 dBA of noise. The static pressure is not specified.

The paper sticker on the motor tells you the bearing type and electrical specs.

The Prolimatech Blue Vortex 12 is supposed to consume no more than 2.2 watts of power at 0.18 amperes. The service life of the bearing is not specified but it can hardly be higher than 30,000 hours. The cable is short at only 230 mm.

 
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