Difference between two portable HD

Hello,
I want to know the difference between "WD Elements Portable 2TB USB 3.0 " and “WD My Passport Ultra 2TB USB 3.0 .”
About rpm, they are both 5400 rpm or 7200 rpm?
If it is not possible to know the rpm, which of the two is more likely to find a 7200 rpm? or is it impossible to find a 7200 rpm on a portable external HD? thanks in advance.

[Mod: Moved post]

Probably get a better answer if you post in the correct forum.

This forum is for the My Book Live NAS.

The forums for the external drives are here:

http://community.wd.com/t5/WD-External-Drives/ct-p/external_drives

1 Like

Thanks a lot, in fact i’ve already found my answer in the correct forum. :manvery-happy: