nope you can here is the video
[ame=
https://www.youtube.com/watch?v=1xcS5zjCaXU]YouTube - Xbox Slim 4GB Hard Drive upgrade[/ame]
also heres a Quote from microsoft
In a recent conversation with the Xbox Support Team, they said that the Xbox 360 Hard Drive equipped on the Xbox 360 Slim can be replaced with a generic hard drive, HOWEVER, you will need to break the case so that it fit in the enclosure. The support representative didn’t necessarily approve of it, BUT, it’s possible. He suggested to just wait for Microsoft to announce an official hard drive to avoid breaking the warranty.
link is
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