Displayport cable, DP male to DP male, gold plated, white, Xm (0.5m, 1m, 2m, 3m, 5m)
e.g. DP-1005: 0.5m , DP-1O10: 1m , DP-1020:2m, DP-1030:3m, DP-1050: 5m
DP-1020 and DP-1030 are certificated cables,you can find them on http://www.displayport.org product datasheet.