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    Monoprice 2-Port DisplayPort 1.2 to HDMI Multi-Stream Transport (MST) Hub
    Product # 21974
    $39.99
    In Stock This item should ship today (9/20/2018) if ordered within 11 hours 59 minutes

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    Model 21974
    Type Multi-Stream Transport (MST) Hub
    Inputs 1x DisplayPort 1.2
    Outputs 2x HDMI®
    Maximum Bandwitdth 21.6 Gbps (total)
    Maximum Video Resolution 1 Display: 4K@60Hz
    2 Displays: 4K@30Hz (each)
    Cable Length 11.8" (300mm)
    Dimensions 3.9" x 2.6" x 0.9" (100 x 65 x 22 mm)
    System Requirements Computer with DisplayPort 1.2 output*
    Up to two monitors with HDMI® input
     

    *Note that Mac® OS X® does not support MST on NVIDIA® or Intel® GPUs.


     
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    Browse 5 questions Browse 5 questions and 7 answers
    I read from a different vendor that Mac OS X does not support Extended Desktop using MST technology, it will only mirror the displays. Can someone confirm that I can use extended desktop from Mac OS X to two monitors with this device?
    David L on Dec 4, 2017
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    BEST ANSWER: You are correct, Mac OS X does not support MST Technology.
    How does one switch between modes?
    A shopper on Aug 30, 2017
    BEST ANSWER: You don't. They are both live. You could enable or disable them in the Operating System though.

    A Display Port supports multiple monitors simultaneously. As long as your computer can handle it this will make both monitors available. (I would think all computers with DisplayPorts should be able to support 2 monitors. If you were trying to do 4, that's something you'd need to check more thoroughly.)

    I was a bit confused initially, but I love having the additional monitors for my laptop (which has a DisplayPort and not an HDMI connection).
    Is this an active adapter? Another way of asking is, will it work with AMD Eyefinity so that the GPU thinks it's connected to two displayport monitors?
    A shopper on Apr 2, 2018
    can I use two external monitors plus my laptop's screen?
    Jere R on Jan 15, 2018
    BEST ANSWER: I found that this dual Port expander allowed me to use two more external monitors with my laptop as you've asked but unfortunately you cannot set them as separate monitors and both monitors will show identical content
    Is this an active displayport to HDMI or passive?
    A shopper on May 10, 2018
    2.0 / 5.0
    2 Reviews
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    Doesnt work with dvi monitors
    Bought this and two displayport to dvi cables thinking i could run dual monitors. Well it doesnt work with dvi monitors. Guess we just have to hope customer service can help me out since it said no such thing on the description.
    November 10, 2017
    Misleading, listen to other reviews
    Item recieved is the compmete opposite of what i ordered, someone else left the same review, shoulve listened.
    Complete waste of time, I will be sending back shortly and ordering from someone else
    December 27, 2017
    Purchased
    9 months ago

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