MST is supported on DisplayPort 1.2 ports. Confirm your system meets the following system requirements:
The desktop or laptop system has a DisplayPort 1.2 port The display or monitor has a DisplayPort 1.2 port and supports MST
Daisy chainable displays have both a DisplayPort input and a DisplayPort output
Every Intel Core processor from 4th generation and above supports MST via DisplayPort to DisplayPort only, up to three monitors with daisy-chaining or a DisplayPort hub.