Is there a difference in reliability between backing up to internal vs. external HDs?

[arainert]

Is one more crash-proof/data-loss resistant than the other or are they both subject to the same issues?

Thanks,

a

 

[eb6]

no difference in my experience.

 

[CanadaRAM]

Umm, yeah -- if the machine's logic board or power supply blows, then the EXternal backup is WAY easier to plug into another Mac to continue working with ...