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r9 290 = 750w
msi r9 290 = 750w
im only going by what i have just purchased and oc states a 750 or greater.
https://www.overclockers.co.uk/showproduct.php?prodid=GX-243-MS
500 Watts ^^^^
Your being sucked in by marketingspend more on bigger PSU's, more than you need.
A good 600 watt PSU is plenty for a 290.
thats a fair comment but i have just had an issue where my cheapo 880 watt wasn't man enough to run the card so to the op just make sure whatever you do choose make sure its good quality![]()