x11 asics getting dumped hard now 
http://cryptomining-blog.com/7330-another-x11-asic-miner-with-500-mhs-at-280-watt-may-be-coming-soon/
http://cryptomining-blog.com/7330-another-x11-asic-miner-with-500-mhs-at-280-watt-may-be-coming-soon/
Probobly a Scam. Not sure.
GPU's work, and they have a resell value. Most of you who mined with an Asic know that it is impossible to ROI.