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MULTI STREAM TRANSPORT

What is MST?

DisplayPort 1.2 added support for Multi Stream Transport (MST) enabling multiple monitors to be used via a single DisplayPort connector/output. This function requires either monitors that are capable of DisplayPort 1.2 daisy chaining or use of a DisplayPort MST hub. 


A MST hub will split the total bandwidth coming from a DisplayPort 1.2 output and allow you to connect up to 4 independent 1920*1080 monitors or two high resolution 2560*1600 monitors. 

MST hubs can also be called MST splitters or DisplayPort Splitters

What is MST?

How Does it Work?

Your device must have a DisplayPort video output specification 1.1 or above and support a MST Hub (please consult with the GPU manufacturer). The graphic driver controller of your device will take care of the rest, such as setting up the monitor position, resolution etc. 

 
Multi-Stream Transport can be leveraged using two types of system design with daisy-chainable display. Each of the displays in the daisy-chain configuration with the exception of the last display in the chain, must have DisplayPort 1.2 receivers and transmitters in order to send and receive video stream that is addressed to itself and the others down the chain. Once the monitor extracts the video and audio stream addressed to it, it will then transmit the rest of the video and audio streams down the chain. Each daisy-chainable monitor must have knowledge of the entire chain.
The alternate method of utilizing MST to drive multiple displays through the use of MST hubs like ......  ----- The hub device receives a DisplayPort 1.2 MST signal from the source and splits out the video streams independently to each display device. Using this type of configuration also allows the use of non DisplayPort 1.2 signals. To support non DisplayPort outputs, such as VGA, DVI or HDMI the hub must have the capability to convert the DisplayPort signal to the other types of display interface signals. 


How Does it Work?
How many displays can I MST ?

How many displays can I MST ?

The number of supported displays depends on the number of MST hub video ports and the resolution on each display. Club3D MST Hub video can support up to  21.6Gbps of bandwidth. ( Note that this bandwidth its dependable on the video source)


For example with our xxxx CSV-5400 - DisplayPort 1.2 source to Club3D MST Hub 4 DisplayPort 

Monitor 1  1920*1080 60Hz 32 bit Total 4.45Gbps 
Monitor 2  1920*1080 60Hz 32 bit Total 4.45Gbps 
Monitor 3  1920*1080 60Hz 32 bit Total 4.45Gbps 
Monitor 4  1920*1080 60Hz 32 bit Total 4.45Gbps 
Total 17.8Gbps
DisplayPort 1.2 available bandwidth 21.6Gbps


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