Well, I am responding very late but just in case anybody else was curious, it requires a 6 pin + 2 pin connector. My PSU came with this cord.
Thanks! I have updated the cable management since I posted this. Haha.
Well they have a Canadian site, I used the US one though. http://www.nowinstock.net/ca/computers/videocards/amd/rx580/
Thanks, I used the website 'NowInStock' to find it :D
Yep, the stock cooler has actually impressed me with how well it has kept things cool. The main focus is gaming for me!