A 230w PSU is not big enough to run the card u have and the pc as well,the card alone needs a 300w PSU to have a chance of working properly,so a 500w PSU would be a good idea and u would be able to connect all the things you mentioned to it.
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How to get WWDC 2017 tickets
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.