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This desktop will not be able to run 4 screens without some type of upgrade to either the video card or with a usb dock. There is 1 HDMI port on the back as well as 1 VGA port (older technology)
Sorry, there was a problem. Please try again later.The maximum resolution of the video system in the computer is 4096×2160 at 24 Hz, so you could in theory drive four screens as is, except for one thing. Because the video output won't work if you try and split the HDMI signal four ways (which you'd need to do), you'd need to upgrade the video card, which is also going to require you to upgrade the psu to one with a higher wattage.
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