soo..... i got this used mp40wQD but still looks new, and damn it's quiet, but only one problem, or im just stupid with this high-end stuff. I want it to stay full speed in green constant mode, but often coming back after few hours noticing the speed went down into slower speed. is there something that i need to do and have it locked in full speed 24/7? I did tried to reset it from possible master/slave mode, and that didn't help. thanks.