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
DisplayLink and Thunderbolt docks can put similar sockets on a desk while taking different routes to the screen. Thunderbolt and native USB-C video use display streams supplied by the computer. DisplayLink creates USB-driven virtual displays with compatible hardware and software. Choose the route from the exact host, monitor plan and application constraints—not from the HDMI count.
Read the guideCompatibility
To use two monitors with a Mac, first identify the exact Mac and chip, then decide whether the two screens will use native display streams, an MST path that may mirror, or DisplayLink virtual displays. Two sockets on a dock answer none of those questions by themselves. The steps below separate Apple’s display ceiling from the dock’s connection method.
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