Brand collection
StarTech model numbers carry more purchasing value than a broad label such as universal dock. A DK30A2DH can reuse USB-A laptops and drive two 4K displays, while a DK31C2DHSPD depends on native DisplayPort bandwidth and DSC. They answer different workstation problems even though both can sit beside the same laptop.
Start this collection with the connection you need to preserve: existing monitor cables, an older USB-A computer, a high-power laptop charger or an Ethernet network faster than Gigabit. Then check the exact datasheet. Our selection notes distinguish charging input from host output and separate physical video sockets from independent displays.
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The 116N combines two software-driven video outputs with one native USB-C video path. That arrangement is useful only when the host and screen placement match both requirements.
*Host, software and display conditions apply.
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The 132N offers a broad desktop connection set, but its four-screen Windows claim and two-screen Mac claim belong to different host conditions.
*Host, software and display conditions apply.
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The DK30A2DH is a way to share a monitor-and-peripheral setup across older USB-A laptops and newer USB-C machines. Laptop power remains a separate connection.
*Host, software and display conditions apply.
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The DK30A2DHU puts a familiar dual-4K USB display platform in a stand-equipped enclosure. Its layout matters when monitor cables and a crowded work surface compete for space.
*Host, software and display conditions apply.
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For a pair of existing 1080p office monitors, the DK30CHHPD avoids buying display capability you will never use. Its software requirement is the more consequential trade-off.
*Host, software and display conditions apply.
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A Windows desk with DisplayPort monitors is the natural starting point for this dock. Its most useful specification is the host-dependent resolution table.
*Host, software and display conditions apply.
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This travel adapter earns its place through a combination of HDMI, wired networking and SD access. Its power and display ceilings are modest enough to check carefully.
*Host, software and display conditions apply.
Check on AmazonResearch checked September 11, 2026. Product revisions, firmware and operating systems can change compatibility.
Monitor setups
Three video sockets are not a compatibility answer. Each screen needs a supported route from the computer, at the resolution and refresh rate you intend to use.
Read the guideCompatibility
Two docks can have the same pair of HDMI sockets and still behave differently on your laptop. The useful question is how each dock obtains the picture. Native USB-C video uses the computer’s display output. DisplayLink creates an additional display connection through USB graphics software. Start with that distinction before counting ports.
Read the guideCompatibility
Two external monitors showing two different desktops require more than two sockets on a dock. On a Mac, you must answer two separate questions: how many native displays the computer supports, and how the dock delivers those displays. Solving one does not automatically solve the other.
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