We've always known not to mix magnets and stored data. True story: After a long night out in Las Vegas, we returned to our hotel room unknowingly with a disabled key, all because of our tripmate's idea to store the keycard in his magnetic money clip. Bad night. So no surprise that this magnetic USB hub, which tacks onto a metal surface for convenient access, gives us pause...
This 4-port USB hub is available 



flash memory isn't magnetic -- it should be no problem...
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"There's nothing magnetic in flash memory, so [a magnet] won't do anything," says Bill Frank, executive director of the CompactFlash Association. "A magnet powerful enough to disturb the electrons in flash would be powerful enough to suck the iron out of your blood cells," says Frank.
Ref:
http://pcworld.about.com/magazine/2208p107id116572.htm
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