EVGA GeForce GTX 1070 FTW GAMING, 08G-P4-6278-KR, 8GB GDDR5, HYBRID & RGB LED

[Abhinav Manik]

will a 550 watt power supply be enough for the above mentioned gpu?

 

[ThatVietGuy]

Requirement is 500W, so yes.

http://www.evga.com/products/Specs/GPU.aspx?pn=262a811f-d3e9-4e51-af12-f808ec0a3b56

But it better be a good make and model - not every 550W PSU is made equally.