I just ended up throwing all the Chinese cables away and buying some off amazon. I got tired of troubleshooting things only to find out it was a crap cable the entire time. The extra $9 per 2 GPU pays for itself in no time at all. Also im sure if you contact a supplier and tell them you need 1000 cables you will get a better deal. Below is what I bough

https://www.amazon.com/gp/product/B00HSS9K8U/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1