Adda’s GP Series produces the best heat-dissipation efficiency, increased higher air flow, power saving and quiet noise. Frame sizes from 40x40x20mm to 120x120x38mm.

The DS Series has, by adding static blades on the frame, air-deducting function and increased static pressure which can produce the best heat-dissipation efficiency. Frame sizes from 70x70x38mm to 127x127x38mm.