Does Ugee M708 Work With Paint Tool SAI?

Of course yes,Ugee M708 can work with most drawing software.
Also,it is highly compatible for Adobe Photoshop,Correl Painter,Comic Studio,SAI,Infinite Stratos,3D MAX,Autodesk MAYA,Pixologic ZBrush,etc software.

More details about Ugee M708 Tablet can be seen here:http://www.ugee-tablet.com/ugee-m708-drawing-tablet-10x6-inch-art-graphics-tablet.html