Take a look at the below link it will help you find a good brand/model that will last you. I'll post a good one after that link that will suit your needs well and is cost effective. http://www.tomshardware.com/answers/id-1804779/power-supply-unit-tier-list.html
http://www.newegg.com/Product/Product.aspx?Item=9SIA1YH1H17193
Take a look at the below link it will help you find a good brand/model that will last you. I'll post a good one after that link that will suit your needs well and is cost effective. http://www.tomshardware.com/answers/id-1804779/power-supply-unit-tier-list.html
http://www.newegg.com/Product/Product.aspx?Item=9SIA1YH1H17193