what are the memory things tht u put on the top of the xbox 360 called?

  • Thread starter Thread starter Domo Q
  • Start date Start date
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Domo Q

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i forget what they are called
they hold memory and i heard tht they help ur 360 not crash
is tht true?

if so how much is it?
and is any1 selling it cheaper then it is?
plz give me a link to how much it is
thankz!
 
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