StarTech.com Adapter Cable Mini DisplayPort to DisplayPort 1.2 1.8m - Mini DP to DP cable with holder HBR2 M / M - DisplayPort 4k (Personal Computers)
Everything is said in the title! Used to connect a Dell monitor to a MacBookPro, this cable is the case, and no problems to report. The price is mini, but its quality is Max! Do not miss so if you need this type of cable. PS: same opinion for version