[quote author=Cthulhu link=topic=360.msg17781#msg17781 date=1234574091]
It should be a simple matter of screwing it open and replacing the hard drive, which is probably one of the most generic devices when it comes to (computer-related) hardware, so yeah, that should work. Only thing might be formatting it in the proper format for the PS3, but that would be a matter of hooking it up to a PC and running a program on it.
But that's not really the problem, the problem is that it's far too expensive compared to the other two consoles. And even then, there's only a handful of PS3-exclusive titles out there anymore and only a very select few new PS3-exclusive titles coming up. If Sony still wants to make a chance, they really have to work on getting their console both very cheap and get a lot of games on it.
If they do a PS4, they should use more generic hardware, simplify games development for it, and reduce the initial cost to a max of $300,-.
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All you need to buy is a SATA HDD thats what the PS3 uses which in simpler terms is a laptop HDD pretty much. And all you need to do is as yop said. Open up the PS3, take out the old HDD and replace it with the new.