will 400W psu work with something that takes 214w

Don't go for that supply! The only supplies that come with cases that are decent are the Antec ones. Diablotek supplies are crap to start with, the one that they are bundling with that case is going to be the cheapest one they have. The power supply in that case is the PSDA400A, with passive PFC and efficiency at ~78% i think it is a 1998 era design. I'd highly suggest the CX430M over that diablotek, the CXM isn't fantastic, but it is decent, it is more expensive than the diablotek but poses less of a threat to your house and components.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139049&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=


Also, i suggest reevaluating your build. Why go for an Athlon X4 and a GT 630, the APUs exist explicitly for this usage case, and some of the APUs come with integrated graphics that are actually better than the GT 630. What do you intend to use this build for? I'm sure we can make it better.