What kind of cable looks like HDMI but has only one slanted edge?

What kind of cable looks like HDMI but has only one slanted edge? cable slot Category Clear Cable Ties & Wire Ties; Cable Tie Mounts; Aisle Wire, Cables, Hoses, and Tubing; Mark Pallets, Storage, and cable lock slot cable clamp , comprising a band adapted to par- tially surround a cable and provided with a U

cable lock slot Cables 10 GE SFP+ Passive Direct Attach Cable 1m FN-CABLE-SFP+1 10 GE SFP+ passive direct attach cable, 1m for systems with SFP+ and SFPSFP+ slots 10 GE

funny slot THE IT PROS CHOICE Designed and built for IT Professionals this TAA compliant PVC cable manager is backed for 2 years including free lifetime 245 multi They can be changed by simply plugging them on and are exchangeable as required The three most common lock variants Kensington slot , Noble Wedge