550w psu with i5-2500k oc and rx580 power?

Jan 16, 2019
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Hello guys i have one question if someone can help,i have seasonic focus plus gold 550w psu and i5 2500k at 4.4ghz cooled by cryorig h5 universal 1x250gb ssd and 2tb hdd,atm i have hd 7850 2gb oc,i would like to buy rx580 8gb preferably sapphire nitro+,now here comes the fun part my psu has only one cable which is split into 8pin and 4+2pin,is this ok for specific card which needs 8+6pin or is it not because power comes from one cable ive seen different conclusions to this?and if it it will my psu even be enough for my sytem?thanks for help hope that someone has spme insight..
 
Solution
The single cable design is fine for powering the RX 580 , I own 3 of them.
You DON'T need another cable.
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Jan 16, 2019
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Theres only one cable for gpu and that is 8pin on one side and on the other side it splits into 8 and 6 pin,thats it i think guru says the same and also on their site it says one cable with two connections(included) and then it says another 8 pin cable but it says not included if you can check please so you can tell me if i need to buy another cable please thx:)