Transfering data from ssd to hdd

ExtreamChaozZ

Distinguished
Dec 24, 2014
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I just got a second ssd for my pc and I want to put both my ssd's in raid 0, to do this I know I need to transfer my data otherwise it gets wiped for formatting. The only problem is I have my os on my ssd. So would I be able to transfer my os to my hdd or not? And will I be able to transfer my os back over the my ssd's once they are in raid 0?.

Also just to check putting drives in raid 0 means that you get all your storage space, so I would get 240gb of storage as both ssd's are 120gb?
It just splits the data onto both ssd's for faster read and write speeds.

Thanks :)