Using a 30, 40gb Hard Drive in 20gb 4th Gen iPod Clickwheel

niceties55

Daemon Poster
I have an old iPod 4th generation 20gb Click Wheel that needs a new hard drive. I was wondering if I could replace it with a 30gb, or even a 40gb hard drive? Or are they slightly thicker and won't work in the 20gb body?
 
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