Here is a list of all the PSU's that are compatible with Intel's Haswell chip and also explains why Haswell is picky about its PSU, keep in mind that PSU's released after this article was written will not appear on the list, go figure..
http://techreport.com/review/24897/the-big-haswell-psu-compatibility-list
http://techreport.com/review/24897/the-big-haswell-psu-compatibility-list