475w is enough for rx 480 8gb and my system will handle this

[assassin_244]

Processor :xeon x5670
Ram: 16gb ram(4 sticks)
Mother board : intel x56
hdd: 1 tb
PSU: 475w

 

[jakubek160]

It seems sketchy. Your psu should be 430 , 450 or 500. I haven't ever seen a popular psu with 475w. Your xeon needs a lot of power so you need a good power supply. Get a new one like this one. : https://www.amazon.co.uk/Corsair-CP-9020077-UK-CS650M-Certified-Energy/dp/B00GN8VZ7U/ref=sr_1_1?ie=UTF8&qid=1497567088&sr=8-1&keywords=600w+gold