Not sure what you really mean by this. Sure, if someone gives you a hard drive with 500 Gigs of data, you can copy it to your iTunes library.
If you're ripping library discs to your computer, are you asking if there's the equivalent of a disc "stacker" that will auto-feed multiple discs? If you clarify, I"m sure someone here will answer better.
If you're ripping library discs to your computer, are you asking if there's the equivalent of a disc "stacker" that will auto-feed multiple discs? If you clarify, I"m sure someone here will answer better.