It is ok thanks, I have a 500GB one at home.
The reason I was asking is I have a Mac Mini at home and it is a few years old but I only use it for Music, downloading movies and Photos……
When I upgraded the OS to Yosemite the whole machine became very very slow and now almost stop working.
I only use for Multi-Media so I don’t want to spend a lot more money and buy another one…..
I want to try to back-up everything onto an external and then wipe the machine clean and see if it gets better.