Thinking this is the list:
https://www.amazon.com/Cable-Matters-DisplayPort-Feet-Resolution/dp/B06Y1QP9FV/ref=sr_1_3?keywords=15ft+displayport&qid=1561998949&s=electronics&sr=1-3#customerReviews
https://www.amazon.com/DisplayPort-Signal-Booster-Video-Amplifier/dp/B01IE3IAIS/ref=sr_1_3?keywords=4k+displayport+repeater&qid=1561996275&s=gateway&sr=8-3
https://www.amazon.com/Cable-Matters-Active-Extension-Female/dp/B00DMFB5OK/ref=sr_1_4?keywords=active+usb+3+extension+15ft&qid=1561999021&s=electronics&sr=1-4
Look good you think?