@STRMfrmXMNSo i found a graph on this site:http://www.guru3d.com/articles-pages/core-i7-4790-processor-review,11.html
Wich tells that the 4790 uses 107W under load, so the 1050 uses 75W, so that is 182W, this is well under the 280W, so i have a lot of room for error?