PS3 was designed for the Harddrive to be replaced and what happens is when your done you have more memory.
They actually have a support center for PS3 and they answer this question that has been added to the related link: Can I upgrade the hard disk drive (HDD) inside my PlayStation®3 computer entertainment system?
Note that when the say "Please be advised that if you replace the hard drive, the data that was on the original hard drive will not show up on the PS3 unless you manually back up the data and transfer it to the replacement hard drive "Manually back Up" is a link for you to see the procedures and again when they say: For complete instructions on how to properly upgrade the hard disk drive, see pages 16-18 in the PS3 system "Safety and Support" guide. those quoted words is a link to those procedures at the support center
the hard drive crashes
Yes PS3 uses a standard lap top hard drive and you do not even need to use one from PS3
nope
It is the same as a laptop hard drive
you can delete it by transferring it to an extrenal hard drive, I believe.
PlayStation support network has the information needed to replace and upgrade the harddrive depending on the PS3 model. See related link
Hard drive.
PS3 uses a standard Laptop Harddrive and the PS3 has been designed to allow you to upgrade the harddrive with a 2.5" internal Serial ATA HDD see related link from Playstation support. Quote from related link,"The PS3 system hard disk drive (HDD) is removable and upgradeable. An upgrade can be performed by removing the hard drive and replacing it with a larger capacity drive. Please be advised that if you replace the hard drive, the data that was on the original hard drive will not show up on the PS3 unless you manually back up the data and transfer it to the replacement hard drive." For complete instructions on how to properly upgrade the hard disk drive, the related link has more information.
The hard disc drive of a PS3 is designed to be replaced with a standard laptop harddrive. see related link. You can not just remove the harddrive and must replace and reload the information for the PS3 to still work
You may upgrade your hard drive on a PS3. 160GB could be less than $100 depending on where you purchase it.
The PlayStation 3 was designed to allow the unit to take a standard size harddrive and it can be replaced. This is not something you are supposed to do , but something that can be done and I quote the related link for the PlayStation knowledge center : "The PS3 system hard disk drive (HDD) is removable and upgradeable. An upgrade can be performed by removing the hard drive and replacing it with a larger capacity drive. Please be advised that if you replace the hard drive, the data that was on the original hard drive will not show up on the PS3 unless you manually back up the data and transfer it to the replacement hard drive" The related link shows procedures to remove the harddrive from most PS3 models
no they are not inchangeable