Where I can buy this product at a good price?
Rosewill Green Series RG530-S12 530W Continuous @40°C, 80 PLUS Certified, Single 12V Rail, Active PFC "Compatible with Core i7,i5" Power Supply.
its an ATNG PSU that newegg just stuck the rosewill sticker onhttp://www.atngpower.com.tw/p2-22.htm
i believe Nexus re-brands it alsohttp://www.nexustechnologyusa.com/c/ntusa/NX-5000_rev3.html?id=whszvCkQ
as do a few other less know brands like x-spice