When I purchased my new Sapphire 11265-05-20G Radeon Pulse RX 580 8GB GDDR5 Dual HDMI/ DVI-D/ Dual DP OC W/BP (UEFI) LITE (from Newegg) I only made a cursory investigation into the necessary Dual Mini 6 Pin to 8 Pin PCI-E Power Adapter required to power the GPU.
Now that the card is kaput after...