This 4-Port DisplayPort 1.2 to DisplayPort Multi-Stream Transport MST Hub enables three different display modes on up to four monitors connected to a single DisplayPort output. You can connect a single display at resolutions up to 4K 60Hz to mirror your computer's desktop. Add a second monitor and the hub will automatically extend the image to span the two displays at resolutions up to 4K 30Hz for each display. Connect four monitors and the hub automatically adjusts to produce a 2x2 video wall , with the single image spanning the four displays at resolutions up to 1080p 60Hz for each monitor. This hub is ideal for digital signage and large video displays in schools, churches, conference rooms, at trade shows, and in retail outlets. Multi-Stream Transport MST Hub Duplicate Mode Extended Desktop Mode Video Wall Mode Multi-Stream Transport MST Hub An MST Hub enables three different display modes on up to four monitors connected to a single DisplayPort output. Duplicate Mode You can connect a single display at resolutions up to 4K 60Hz to mirror your computer's desktop. Extended Desktop Mode Connect two monitors and the hub will automatically extend the image to span the two displays at resolutions up to 4K 30Hz for each display. Video Wall Mode Connect four monitors and the hub automatically adjusts to produce a 2x2 video wall , with the single image spanning the four displays at resolutions up to 1080p 60Hz for each monitor. Master the Multi-Stream Ideal for Digital Signage Perfect for creating a video wall for use in schools, churches, conferencerooms, at trade shows, and in retail outlets. Connect up to 4 Displays at Full 1080p at 60Hz Buy with Confidence Monoprice not only stands behind every product we sell with a 1 year replacement warranty, we offer a 30-day money back guarantee as well! If the product you purchase does not satisfy your needs, send it back for a full refund. Quality at a Fair Price