Migrating question

I have Kingstone HyperX 3k 120GB inside and Hitachi 750GB.

I want to buy two Samsung EVO 850 480GB and put them in RAID0.

How can I do that and in what order? I want to copy all of my boot up disk to new RAID0 2x 480GB EVO's.

I saw somewhere video about it but cannot find it again. It goes something like this....

I need one bootable (Acronis?) usb,already inserted and RAID0 ready SSD's and then,...>>>

A little help!