600w psu for i7-8700k+question

Aug 10, 2018
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I want to buy i7-8700k (i also have a dark rock 3 from be quiet) or ryzen 7 2700x with a 1070.Now my question! Is this enough? be quiet! Pure Power 10 CM, 80+ Silver, 600W
And for a 144z monitor with freesync for gaming and streaming csgo from the same pc should i go for 1070 or 580 8gb?(there is about 200eur difference between them in price