Startech 3 ft DisplayPort to Mini DisplayPort 1.2 Video Cable Adapter M/F - DisplayPort 4k

The DP2MDPMF3 3ft DisplayPort™ to Mini DisplayPort 1.2 Cable Adapter turns a Mini DP male connector into a regular DisplayPort male connector, making it easy to connect a Mini DisplayPort-equipped monitor to a laptop that only provides a standard DisplayPort output (e.g. Toshiba® etc.).

The DP to Mini DP cable supports high resolutions of up to 4k x 2k (3840 x 2160) @ 60Hz with a maximum HBR2 bandwidth of 21.6 Gbps. The cable also supports Multi-Stream (MST) for daisy chaining multiple monitors and provides optional audio support.
The DP2MDPMF3 is backed by StarTech.com’s Lifetime Warranty, for guaranteed reliability and ensures that digitally protected content is displayed properly, with both HDCP and DPCP capability.
Applications
Allows mini DisplayPort monitors, such as Apple Cinema Displays to be connected to computers equipped with standard DisplayPort connections