It's ok,but not a bronze unit,once installed in a case and used in real world conditions.
If it's anything like the 502 or 602 it won't like heat and has undersized heatsinks.
http://www.overclockersclub.com/reviews/xigmatek_nrppc402/
I'd also have a look at the CORSAIR Builder Series CX430 V2 430W
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139026
http://www.techpowerup.com/reviews/Corsair/CX430_V2/1.html