Guys, did any notice that Cooler Master infinite notepal 4 ports usb, when I using it, and plug my G15 into the 2.0 then my mouse fail to power up at 1.0 usb. coz my laptop no more usb port after I plugin tat CM and my external HD.. quite disappointed for that 4 ports, not enough juice to power up my g15 and mx518 mouse.