Nandbackup on pendrive - is it possible?

Hello,

I'm thinking on exchanging my S5 for S6. Very often (not immediately) I mod my smartphones.
My question is there is a recovery that will allow me to do backup on pendrive?

I'm thinking about Dual Pendrive like this:

http://www.flipkart.com/sandisk-ultr...mdsxg4ysurgdg3