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Thunderbolt 3 to Dual DisplayPort Adapter - 4K 60 Hz - Windows Only Compatible

Use a Thunderbolt 3 port on your Windows system to run resource demanding applications on two UHD 4K displays, or run a 5K monitor

Product ID: TB32DP2

  • Connect two UHD 4K 60 Hz displays to your computer through a single Thunderbolt 3 port
  • Add a 5K 60 Hz display to your computer by connecting two DP cables to a single Thunderbolt 3 port
  • Thunderbolt Certified
View More
  • Run resource demanding applications on 4K displays at 60 Hz without draining system resources
  • Backward compatible with lower resolutions like high-definition 1920x1200 and 1080p
  • No external power adapter required
119,99 € EUR exc VAT
145,19 € EUR inc VAT

Overview

This high-performance Thunderbolt™ 3 adapter lets you add two 4K 60Hz DisplayPort monitors to a computer through a single Thunderbolt 3 port, or it can be used to connect your Thunderbolt 3 port to a 5K 60Hz display using two DP cables.

The Thunderbolt video adapter is compatible with computer systems that support Thunderbolt 3, such as models of Dell™ Precision and Dell XPS. Thunderbolt 3 is a protocol that uses the USB-C™ connector, but your computer system must support Thunderbolt 3 in order for the adapter to function as expected. If you connect the adapter to a USB-C port that does not support Thunderbolt 3, the adapter will not function. 

Thunderbolt 3 Logo

Connect two UHD 4K displays to your computer at 60Hz resolution

Diagram of the Thunderbolt 3 to DisplayPort adapter with one display

With an unprecedented 40Gbps of throughput, Thunderbolt 3 enables you to achieve the previously impossible feat of using a single port on your laptop to output dual 4K resolution at 60Hz to two independent displays. This performance enables you to run the most resource-demanding applications imaginable on two independent displays. You can output independent content to each display at resolutions of up to 4096 x 2160p @ 60Hz, which is perfect for editing 4K video or performing other Ultra HD tasks such as creating CAD drawings or reviewing medical imagery.

Connect a 5K display to your computer at 60 Hz resolution

Diagram of the Thunderbolt 3 to DisplayPort adapter with a 5K display

For added versatility, the Thunderbolt 3 adapter can be used to connect two DisplayPort channels to a single 5K display. Using a Thunderbolt 3 adapter is the only way to connect a 5K display to computers that don’t have multiple DP or Thunderbolt 3 ports, such as your Dell Precision 15 3000 Series workstation.

Supports dual 4K displays to work more efficiently

Functioning as an external 2-port graphics adapter with audio support, this is a compact and convenient alternative to a laptop dock, when you don’t need full docking capability.

With two UHD 4K displays, you can work more efficiently from your laptop, so you can accomplish more in the same amount of time. Plus, with each display delivering 4K performance, you can have four times the screen space compared to 1080p. Creative professionals can be more productive with the freedom to edit 4K video on one display, while previewing raw video playback on the second 4K display.

Won't drain system resources

This adapter helps to keep your system running at peak performance. Unlike USB external video solutions, Thunderbolt 3 lets you run Ultra HD 4K resolution at 60Hz on both displays without draining system resources.

Because it’s backward compatible with your high-definition 1080p displays, this is a great accessory for home, office or other desktop workspace applications.

The TB32DP2 is backed by a 2-year StarTech.com warranty and free lifetime technical support.

Learn more about Thunderbolt

Your computer’s Thunderbolt 3 ports might not function properly until you update one or more of the following on your computer:

  • BIOS
  • Thunderbolt firmware
  • Thunderbolt 3 controller drivers
  • Thunderbolt 3 software

The required updates will vary depending on your computer.

For an up-to-date list of affected computers and instructions, visit http://thunderbolttechnology.net/updates. If your manufacturer isn’t listed on the Thunderbolt website, contact your manufacturer.

Note:

  • If you're using a video adapter to connect this device to a monitor other than DisplayPort, such as HDMI or VGA, an active video adapter is required.
  • In order to connect to two displays at 4K 60Hz, your computer system must have a fully enabled Thunderbolt 3 port that supports up to 40Gbps or the host must support dual displays over Thunderbolt 3.

Applications

Connect your computer to two 4K monitors

Use your Thunderbolt 3 computer to connect to a 5K display

Design high-resolution, graphic-intensive content, such as CAD drawings and Photoshop graphic images

Create and Edit 4K video while using resource intensive software

Multitask by previewing your raw output content on a second 4K display

Connect to different systems with 4K or 1080p displays for hot desking in BYOD office applications

Use one screen for reference data such as websites, while composing 4K content on your other screen

Span a spreadsheet or worksheet across multiple displays to avoid side-scrolling

Use your Thunderbolt 3 computer to connect to a 5K display

Access panoramic views that are built into software applications, while viewing helpful tutorial content on your laptop monitor

Connect your Dell XPS or Dell Precision to two external DP monitors

Technical Specifications

Warranty Information
Warranty 2 Years
Hardware
Active or Passive Adapter Active
Audio Yes
AV Input Thunderbolt™ 3 USB-C (24-pin)
AV Output DisplayPort
Performance
Maximum Data Transfer Rate 40 Gbps
Maximum Digital Resolutions Dual monitor: 4K @ 60 Hz
Supported Resolutions 4096x2160
3840x2160
2560x1600
1920x1200
1920x1080
1280x720

Note: The adapter can support 5120×2880 (5K) when both DP outputs are connected to a single monitor that supports 5K.
Connector(s)
Connector A 1 - Thunderbolt™ 3 USB-C (24-pin) Male Input
Connector B 2 - DisplayPort (20 pin) Latching Female Output
Software
OS Compatibility Microsoft Windows® 10, 8/8.1
Physical Characteristics
Color Silver
Product Height 26 mm [1 in]
Product Length 220 mm [8.7 in]
Product Weight 500 g [17.6 oz]
Product Width 80 mm [3.1 in]
Packaging Information
Shipping (Package) Weight 0.2 kg [0.4 lb]
What's in the Box
Included in Package 1 - Thunderbolt 3 to dual DP adapter
Type and Rate Thunderbolt 3 - 40 Gbit/s

Compatibility

View full OS compatibility
Microsoft Windows® 10, 8/8.1

Certifications

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Accessories

Product Support

Drivers & Downloads

Manual(s):
Data Sheet(s)
Support Material(s):
  • Thunderbolt 3_insert_rev2.pdf

    IMPORTANT
    Your computer’s Thunderbolt 3 ports might not function properly until you update one or more of the following on your computer:

    • - BIOS
    • - Thunderbolt firmware
    • - Thunderbolt 3 controller drivers
    • - Thunderbolt 3 software

    The required updates will vary depending on your computer.

    For an up-to-date-list of affected computers and instructions, visit https://thunderbolttechnology.net/updates. If your manufacturer isn’t listed on the Thunderbolt website, contact your manufacturer.

Frequently Asked Questions

Before You Buy

Components

Thunderbolt™ 3 is the latest version of the Thunderbolt standard for connecting computers and electronic devices. It is capable of the following:

  • Total bandwidth up to 40Gbps. Data transfer speeds are dependent on the other features that you are using in your setup.
  • USB 3.1 Gen 2 support.
  • 4K 60Hz video on one or two separate displays.
  • 5K 60Hz video on a single display.
  • A 10 GbE network connection between two Thunderbolt 3 compatible computers.
  • Up to six devices daisy-chained from a single Thunderbolt 3 port.
  • Alternate modes, such as DisplayPort Alternate Mode (DP Alt Mode).
  • Bi-directional power delivery up to 100W (not all Thunderbolt 3 devices support power delivery).

USB-C and Thunderbolt 3

Thunderbolt 3 uses the USB-C connector, but not all host connections, cables, and devices with a USB-C connector support Thunderbolt 3. This means that a USB-C device is compatible with a Thunderbolt 3 host connection, but a Thunderbolt 3 device is not compatible with a USB-C host connection. Therefore, it is important to know whether you have a USB-C or a Thunderbolt 3 host, cable, or device.

To determine if your component is a Thunderbolt 3 device, look for the Thunderbolt 3 symbol (shown below). USB-C devices do not include this symbol.  For more information about USB-C, see the following FAQ: https://www.startech.com/faq/usb-c-port-capabilites.

Thunderbolt symbol: https://sgcdn.startech.com/005329/media/products/gallery_large/TBLT3MMXM.B.jpg.

Backwards compatibility

If you use an adapter, Thunderbolt 3 host connections are compatible with Thunderbolt 1 and Thunderbolt 2 devices. You can use the StarTech.com TBT3TBTADAP to make a Thunderbolt 3 host connections backwards compatible.

Thunderbolt 3 devices are not backwards compatible with Thunderbolt 1 and Thunderbolt 2 host connections.

Thunderbolt 3 uses the USB-C connector, but not all host connections, cables, and devices with a USB-C connector support Thunderbolt 3. This means that a USB-C device is compatible with a Thunderbolt 3 host connection, but a Thunderbolt 3 device is not compatible with a USB-C host connection. Therefore, it is important to know whether you have a USB-C or a Thunderbolt 3 host, cable, or device.

To determine if your component is a Thunderbolt 3 device, look for the Thunderbolt 3 symbol (shown below). USB-C devices do not include this symbol.  For more information about USB-C, see the following FAQ: http://www.startech.com/faq/usb-c-port-capabilites.

Thunderbolt symbol: https://sgcdn.startech.com/005329/media/products/gallery_large/TBLT3MMXM.B.jpg.

No, you cannot use this device to increase the maximum number of displays that a video card supports. For example, if your video card only supports up to three displays and you add this device to your setup, your display limit is still three displays.

If you have connected more than one of this device to the same computer and are experiencing display issues, you should make sure that your video card can support the number of displays that you are using in your setup.

This device requires that the Thunderbolt 3 host system provides 15W of bus power to the Thunderbolt 3 port. Thunderbolt 3 host systems that do not provide the full 15W of bus power will not work with this device.  

Refer to the information provided by the manufacturer to confirm the power delivery capabilities of your host system.

How to

To check which version of the Thunderbolt™ software, NVM firmware, and drivers you are running, do the following:

  1. Click Start.
  2. Type Thunderbolt and click on the search result.
  3. In the system tray, right-click the Thunderbolt icon.
  4. Click Settings > Details.

Review the versions of the software package, NVM firmware, PD firmware, and drivers.  If you are not running the latest versions, navigate to the manufacturer’s website and download the latest versions. 

When you connect a Thunderbolt™ device to any Windows operating system that can support Thunderbolt 3, a pop-up message appears. To use your device, complete the following:

  1. In the New Thunderbolt devices have been attached pop-up message, click OK.
  2. In the User Account Control pop-up message, click Yes.
  3. In the Approve Thunderbolt Devices pop-up message, do one of the following:
    • If you want to authorize your Thunderbolt devices every time that you connect them, select Connect Only Once in the drop-down list.
    • If you want to authorize your Thunderbolt devices only once, select Always Connect in the drop-down list.
  4. Click OK.

If you accidentally set your Thunderbolt device to Do Not Connect in step three above, refer to the following FAQ: https://www.startech.com/faq/thunderbolt-3-denied-authentication.

If you accidentally set a Thunderbolt™3 device to not connect to your computer when prompted by the system, you can force the software to prompt you again for authentication. To do so, complete the following:

  1. Right-click the Thunderbolt icon.
  2. Click Approve Attached Devices.
  3. Select the Thunderbolt 3 port that you want to authenticate.

You can use the Thunderbolt™ software to manage your Thunderbolt 3 devices on a computer running a version of Windows. To manage your Thunderbolt 3 devices, complete the following:

  1. Click Start.
  2. Type Thunderbolt and click on the search result.
  3. Right-click the Thunderbolt icon.
  4. Click Manage Approved Devices.

Troubleshooting

When you troubleshoot issues with a video adapter, there are some quick tests that you can complete to rule out potential problems. You can test to make sure that the following components are working correctly and are not the source of the issue:

  • Video cables

  • Video adapter

  • Video source (such as a DVD player or computer)

  • Video destination (such as a monitor or projector)

To test your setup components, try the following:

  • Use the cable, video adapter, video source, and video destination in another setup to see if the problem is with the components or the setup.

  • Use a different cable, video adapter, video source, and video destination in your setup to see if the problem persists. Ideally, you should test a component that you know works in another setup.

When you test your cables, it is recommended that you do the following:

  • Test each cable individually.

  • Use short cables when you are testing.

When you test the video source and video destination, it is recommended that you do the following:

  • Remove the video adapter from your setup and test to make sure that the video source and video destination work together without the video adapter.

  • Test to make sure that the video source and video destination work together at the resolution that you want to use.

Note: In order for your setup to work properly, the video source, adapter, and destination all need to support the resolution that you are using.

Try the following:

  1. Check that the monitor’s video port works with another source.
  2. Check that the cables between the source and the destination work with other equipment.
  3. Check whether the video adapter works with another source and another destination.

The error “Out of Range” normally means that the resolution being output by the computer is not compatible with the display. Try lowering the resolution to see if that helps resolve the issue.  You may need to connect another monitor or restart the computer or source to accomplish this.

If your computer is not detecting your Thunderbolt™ 3 device, try the following:

  • Update the Thunderbolt software on your Thunderbolt 3 host device.
  • Update the Thunderbolt controller NVM firmware on your Thunderbolt 3 host device.
  • Update the Thunderbolt controller drivers.
  • Update your motherboard BIOS or UEFI.

For more information about how to update the software, firmware, drivers, and BIOS or UEFI, refer to the website of the manufacturer of the Thunderbolt 3 host device. The following website includes links to some of the manufacturers of Thunderbolt 3 host devices: https://thunderbolttechnology.net/updates. If the manufacturer of your host device is not listed, you should contact the manufacturer or refer to their website for more information.

For more information about how to check which version of the Thunderbolt software and firmware you are currently using, see the following FAQ: https://www.startech.com/faq/thunderbolt-3-check-software-firmware.

For more information about Thunderbolt 3 host system and motherboard compatibility, refer to the Thunderbolt 3 Compatibility and Troubleshooting guide.

If you are only getting a single display to work with your Thunderbolt™3 device, make sure that your Thunderbolt 3 host device can support two separate DisplayPort lines over Thunderbolt 3. 

While Thunderbolt 3 supports dual monitors over a single connection, not all Thunderbolt 3 host devices are designed to meet this requirement. If your Thunderbolt 3 host device does not meet this requirement, you cannot troubleshoot this issue with software, firmware, or driver updates, and you cannot use this device to achieve dual displays over Thunderbolt 3. If you are not sure whether your Thunderbolt 3 host device supports dual monitors, contact your Thunderbolt 3 host device manufacturer.

If you confirmed that your Thunderbolt 3 host device does support dual monitors and you are only seeing a single display, see the following FAQ: https://www.startech.com/faq/thunderbolt-3-update-software-firmware.

For more information about Thunderbolt 3 host system and motherboard compatibility, refer to the Thunderbolt 3 Compatibility and Troubleshooting guide.

If you receive an error message that your Thunderbolt device is not certified for PC use, try the following to resolve the issue:

  1. Click Start.
  2. Type Thunderbolt and click the search result.
  3. In the system tray, right-click the Thunderbolt icon.
  4. Click Settings.
  5. Clear the Only allow Thunderbolt Devices that have been certified for PC check box.

To use a Thunderbolt 3 adapter to output to a display at 60Hz, your monitor must support the refresh rate and you need to set the monitor to work at 60Hz. By default, most monitors are set to DP1.1, which will not work with this Thunderbolt 3 device when you use a display at 60Hz. In most cases, you need to set your monitor's DisplayPort settings to DP1.2.

To resolve this issue, use the buttons on your monitor to change the DisplayPort settings to DP1.2. For more information about changing your monitor settings, refer to the website of the manufacturer of your monitor.

To output 4K to a DisplayPort display at 30Hz, your monitor must support the resolution and refresh rate. If your monitor also supports 4K at 60Hz (DP 1.2 or higher), you may also need to set the monitor to work at 30Hz. 

To resolve this issue, use the buttons on your monitor to change the DisplayPort settings to DP1.1. For more information about how to change your monitor settings, refer to the website of the manufacturer of your monitor.