Hi im very new to pc building and just purchased an already built pc. I was wondering if could upgrade it to either of those gpu with my current spec. Thank you. Ps last time i tried installing a gtx 660 with a minimum requirement of 450 watt and my pc wouldn’t start just complete black screen after the windows logo. I was worried that another one could happen so is choosing these gpu with a minimal psu watt of 350 watt solves my problem? . I have a ryzen 3 2200 as my cpu .
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