Common wisdom on the internet proclaims you must use two separate power cables when attaching two 6- or 8-pin power connectors to a graphics card. According to some, using just one cable is a danger.

Mixing PSU cables might seem harmless, since old and new cables look visually identical. However, PSU cables like the 6-pin, 8-pin, and 24-pin connectors aren't standardized, at least not at the PSU ...

A computer's graphic video card turns data into attractive, colorful images on a display. Though hardware designers intend the most expensive, exotic cards for PC gamers, advances in all video cards ...