What's this new SLI HB thingy?

http://www.game-debate.com/news/?news=20148&graphics=GeForce%20GTX%201080&title=Nvidia%20SLI%20HB%20Bridge%20Doubles%20GTX%201080%20Transfer%20Rate%20For%20Better%20SLI%20Scaling%20Performance

SLI with double bandwidth.

Rumors saying that this will also limit the the SLI to only 2 GPUs.

Poor @AdamK47... xD