MS virtual PC question

[Celticsfan]

If I were to load MS virtual PC on an external HD and put 4 different OS's on it, will they run significantly slower than putting them on my internal HD?

thx

 

[cboucher]

Most likely. What type of external drive interface? USB? eSATA?

 

[Celticsfan]

Most likely. What type of external drive interface? USB? eSATA?

USB. Can I plz get some more opinions on my question above.

thx