Well if you stated you where using the PCI - Riser cable from the get go most likely you have a bad one. You can either contact Thermaltake and wait 2 weeks to get a replacement or buy the premium cable and be done with it. You have to treat these cables with care. No sharp bends be very gentle.
Here is the new version that most people have with and is the replacement they will send you.
Here is the premium.
Edited by cmacclel - 11/22/17 at 9:33am