I have the D-Link USB 2.0 hub and get "low power, plug your USB device into a power supply" notice when I plug my SanDisk MiniCruzer into the hub. The only way to use the MiniCruzer is to plug it directly into my Mac Mini (I need to use both USB hubs). Any help woud be greatly appreciated! Thanks! (I plan on buying an M-Audio 49e and I am expecting the same problem to occur with it, so I wish to avoid it!).