Monoprice 121972 2-Port DisplayPort 1.2 MST Hub

Monoprice 121972 MST Hub for DisplayPort 1.2

This DisplayPort 1.2 MST hub splits a single DisplayPort output into two independent DisplayPort connections. It suits installers running digital signage, classroom displays, or retail video walls who need to drive two screens from one source. The compact adapter requires no external power and works with standard DisplayPort cables. It is not for users needing more than two outputs or resolutions beyond the stated limits.

Upgrading from single-display or splitter setups

A passive splitter can only mirror the same image on two screens, while this hub adds extended desktop mode at up to 4K@30Hz per display. The jump is worth it when you need independent content across two monitors, such as side-by-side signage panels or a presenter view plus audience screen. It replaces daisy-chained MST monitors when the displays lack DisplayPort 1.2 output ports. Buyers who need 4K@60Hz on both screens simultaneously cannot use this hub.

Driver-free installation with common caveats

The hub is recognised automatically by Windows and macOS without extra drivers; plug the host cable into the source, then connect up to two displays. Extended mode at 4K@30Hz requires a DisplayPort 1.2 source and certified cables — older cables often limit the link to 1080p. Some laptops disable MST over USB-C alt mode, so verify the port supports MST before purchase. Monitors must be powered on before the host wakes, otherwise the hub may not detect the second display.