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What are the differences between DisplayPort Multi-Stream Transport (MST) Mode and Single-Stream Transport (SST) Mode?

DisplayPort is the latest display technology on the market and is generally considered to be a competitor to HDMI. The VESA specification, which describes the DisplayPort Technology lists two types of transport modes. The first is SST or Single Stream Transport. The second is MST or Multi-Stream Transport. Below are the main differences.

Multi-Stream Transport Mode	Single Stream Transport Mode
Multi-Stream Transport Mode is based on DisplayPort technology. MST mode is designed for DisplayPort 1.2 or higher video output specifications. With DisplayPort 1.2, 1.3, and 1.4, you are able to take advantage of MST mode. MST allows you to stream independent video displays from a single desktop or laptop host.	Single Stream Transport mode is based on DisplayPort technology. SST mode allows only one external downstream device at a time through a single downstream port. It can however extend the second screen to be mirrored to other monitors. SST is supported on the macOS platforms.

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