DP cables were designed to replace the older DVI, LVDS, and VGA cables that dominated the tech industry during the '80s, '90s, and early 2000s.

Passive cables with HDMI: You can connect a DP source to an HDMI-only monitor or TV using a passive cable or adapter. DisplayPort signal conversion: ...

Best DisplayPort 1.4 cable for 144Hz – iVANKY 8K DP Cable 6.6ft iVANKY 8K DP Cable 6.6ft If you’re going for the 10ft version, you lose the VESA certification ...

Another cool trick you can do with DisplayPort is MST or Multi-Stream Transport, which is where you can daisy-chain multiple monitors together with DP cables using only a single port on your GPU.

DisplayPort (DP) doesn't use TMDS, ... For example, at 4K 60 Hz, it's generally recommended that with DP 1.4, you keep the cable length under 6 feet, even it's a high quality one.

DisplayPort cables, often described as the computer’s counterpart to television’s HDMI port, help connect your computer to other devices. That much is obvious.

Thanks for all your help. This is what I did:-Drilled hole in floor, computer can sit in basement, which is not used often. Picked up 2 15' DP cables, tested and 4k 144Hz works fine ...