asus strix gtx980 ti

Hey, I have this PSU: https://www.emag.ro/sursa-njoy-freya-600-600w-atx-pfc-activ-rgb-psat-060araf-bu01b/pd/DGWQ7ZBBM/ (nJoy Freya 600W RGB) I don't know if it is good enough for Gtx980 TI STIRX.

Hi, I am new to this and have limited knowledge. I upgraded my graphics card from a GTX 770 to an ASUS STRIX GTX 980 ti. I have connected the 2 6+2 connectors as it has 2 8 pin sockets and gotten 2 white LEDs stating they are connected correctly. When I boot up the system all fans, LEDs kick...