A Male DisplayPort cable connector end is rectangular with the lower right corner crimped @ two 45s, if you view it from a distance and perpendicular to it. The mounting bracket that is pictured is unique. It appears to be made of chrome plated, stamped carbon steel. The rectangular holes, resepticles, have a corner stamped out that may allow a DispayPort male connector to pass through.
A Male HDMI cable connector end is rectangular with the lower right and left corners crimped and rounded at the 45s.
Should the Mounting bracket be functional, then it would indicate that two DisplayPort cable ends could be connected to the terminals, female recepticals, on the cards...
HDMI - Wikipedia, the free encyclopedia .......... DisplayPort - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/HDMI ...................
http://en.wikipedia.org/wiki/DisplayPort