StarTech.com 4-Port DisplayPort 1.2 Splitter
The B156-003-V2 3-Port DisplayPort 1.2 MST Hub connects up to three DisplayPort monitors to the DisplayPort output on your computer. Ideal for digital signage in schools, churches, conference rooms, trade shows, hotels and retail outlets, this hub allows you to display the same image on all three monitors, extend the desktop across them, or combine all three into one large monitor in video wall mode.
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StarTech.com Mstdp123hd MST Hub - DisplayPort to 3X HDMI - Multi
The B156-004-HD-V2 4-Port DisplayPort 1.2 to HDMI MST Hub connects up to four HDMI monitors to the DisplayPort output on your computer. The B156-004-HD-V2 is compliant with DisplayPort 1.2 and backward compatible with versions 1.1 and 1.1a with the feature set being limited to that of your equipment. It supports high-definition video resolutions up to 1920 x 1080 per monitor.
Tripp Lite 4-Port DisplayPort Multi Stream Transport MST Hub 4K
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4 Port DP Multi Monitor Adapter MST Hub - DisplayPort & Mini