Drive Current: Rated 16A, plus 25A with air cooling. Maximum Speed: 224000 RPM (2-pole motor), 74000 RPM (6-pole motor), 40000 RPM (12-pole motor), 35000 RPM (14-pole motor). Color: as show. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.