My Book Studio and My Book

What is difference between My Book Studio and My Book?

Hello,

My Book Studio uses USB 2.0 / FireWire800 and comes ready to be use on a Mac formatted as HFS+

Specs on the link below

http://support.wdc.com/product/install.asp?groupid=126&lang=en

My Book  uses USB 3.0 / USB 2.0 and comes ready to be use on a windows computer.

http://support.wdc.com/product/install.asp?groupid=132&lang=en