This PSU enough to power my system?

^+1. The linked device should mostly likely not be used to power a computer, particularly not one with dual graphics cards. I'm not sure what's available where you are. If you cannot find the brands Shadow or jaguar listed, Silverstone, Enermax, or possibly FSP would be suitable. There are a lot of good, competent reviews of PSUs at www.jonnyguru.com, www.hardocp.com, www.hardwaresecrets.com, and www.xbitlabs.com.