Gigabyte PoweRock 500W

[pc 1]

Is PoweRock 500W a good psu?
http://www.gigabyte.com/products/product-page.aspx?pid=3338#kf

and is it enough for a Gigabyte GTX 660 OC?
http://www.gigabyte.com/products/product-page.aspx?pid=4361#ov

 

[djangoringo]

It has dual rail +12v 18A, it can draw 432w as it says on the page, it's 80 plus, it's a decent psu.
You'll be fine with that psu, the 660 gtx only draws about ~150w max load.