Bi-Directional USB-C to DisplayPort – This versatile cable supports both USB-C to DisplayPort and DisplayPort to USB-C video output, offering maximum flexibility for connecting monitors or docking setups. Now supports DisplayPort 1.2, enabling resolutions up to 4K at 60Hz (3840x2160).
Plug-and-Play Simplicity – No drivers or software needed. Enjoy sharp 4K visuals and audio with a direct, reliable connection—ideal for productivity, streaming, and gaming. Works seamlessly as both a USB-C to DisplayPort and DisplayPort to USB-C cable. Ideal for IT deployments, hot-desking, and hybrid conference room setups.
Use it with—
M1–M4 MacBooks (base and Pro/Max), Intel Thunderbolt Macs (late 2016+), iPhone 15/16 and Pro models, iPad Pro/Air/mini, HP ProBook/EliteBook/Spectre x360, Dell XPS/Latitude/Inspiron, Lenovo ThinkPad/IdeaPad/Yoga, Microsoft Surface Pro/Go/Book/Laptop, LG Gram, and thousands of standards-compliant USB-C laptops.
Compatibility—
Works with Windows 10/11, macOS 11+, ChromeOS 100+, and Linux. Requires a system with DisplayPort Alt Mode over USB-C, USB4, or Thunderbolt 3/4. Fully compatible with DisplayPort source devices and full-featured USB-C displays.
Lifetime Support—
This device has been designed with reliability at its core and was built to meet the deployment demands of IT departments and the ease of use necessary for home offices. Includes lifetime support from our North American team of connectivity experts
The Plugable Bi-Directional USB-C to DisplayPort Adapter Cable enables you to connect USB-C and Thunderbolt enabled devices to external displays with DisplayPort (DP). This cable can also be used to connect DisplayPort outputs to USB-C displays. Think docks, GPU's or any other DisplayPort supporting host.
6 foot display cable supports resolutions up to 3840x2160@60Hz (4K) on DisplayPort and USB-C displays.
Uncompromising Performance
Alt Mode adapters like this USB-C to DisplayPort cable are a convenient option for adding an additional display output on supported systems. Since DisplayPort Alternate Mode is a direct pipeline to the host graphics processor (GPU) in your system, the connected display will function with the same performance as a natively attached display.
Video and photo editing, gaming, and other resource-intensive tasks are possible assuming that the system's GPU capabilities are sufficient for the application being used.
Compatibility
Compatible Systems
Plug and Play installation on any Windows, Mac, Chrome OS, or Linux host with Thunderbolt, USB4, or DisplayPort supporting USB-C ports.
Also compatible with DisplayPort outputs to connect to USB-C displays.
Note on Portable Monitors:
If a portable monitor requires both power and video from the USB-C port, then the USBC-DP will not be compatible to connect a DisplayPort host to the portable monitor.
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Whether you're on Windows, macOS, or Linux, it's common to add new audio devices to your computer.
Some examples of additional audio devices you may want to switch to include:
Bluetooth headsets, headphones, and speakers
Speakers built into a display, such as a TV or monitor
A USB sound card, digital audio converter (DAC), or analog to digital converter (ADC)
USB microphones
Audio jacks on a docking station
These steps don't apply to the Plugable Performance NIX HDMI Capture Card (USBC-CAP60).
Here are the steps that you need to set a new default audio recording or output device on different operating systems.
Set Audio Output Device
Set Audio Recording Device
Set Default Playback Device in Windows
Check that your device is properly connected, and that any necessary drivers are installed
It is also a good idea to make sure that your sound device is turned on, and that the device's volume control is not at the absolute minimum setting
Right-click on the speaker symbol in the Windows taskbar/system tray
Windows 7/8.x—Select Playback Devices. The Sound window will open with the Playback tab highlighted
Windows 10/11—Select Open Sound Settings then click the link under 'Related Settings' for Sound Control Panel, then click the Playback tab
Alternatively, after selecting Open Sound Settings, use the dropdowns under the Output header
Find your device in the window
A Plugable USB 3.0 docking station or sound-enabled display adapter will appear as Plugable Audio
A Plugable USB 3.0 Silicon Motion docking station or sound-enabled display adapter will appear as SMI USB Audio
A Plugable USB 2.0 docking station will appear as USB Multimedia Audio Device
A Plugable USB Audio adapter will appear as USB Audio Device
Right-click on the device you found in step 3 and select Set as Default Device. A check mark should appear next to your device, and sound should now play through it
A Plugable USB Audio adapter will appear as USB Audio Device
Set Default Playback Device in Linux
Ensure that you audio device is connected to the PC
If the audio device is self-powered, it is a good idea to make sure that it is powered on, and that the device's volume control is not at the absolute minimum setting
Launch the 'Settings' application in your distro
Go to the 'Sound' option
Find the dropdown for your 'Output Device', and change it to your preferred output device
For additional sound device controls, you may want to consider using Pulseaudio Volume Controls (package name pavucontrol)
Set Default Recording Device in Windows
Check that your device is properly connected, and that any necessary drivers are installed
It is also a good idea to make sure that your sound device is turned on, and that the device's volume control is not at the absolute minimum setting
Right-click on the speaker symbol in the Windows taskbar/system tray
Windows 7/8.x—Select Recording Devices. The Sound window will open with the Recording tab highlighted
Windows 10/11—Select Open Sound Settings then click the link under 'Related Settings' for Sound Control Panel, then click the Recording tab
Alternatively, after selecting Open Sound Settings, use the dropdowns under the Input header
Find your device in the window
A Plugable USB 3.0 DisplayLink docking station or sound-enabled display adapter will appear as Plugable Audio
A Plugable USB 2.0 docking station will appear as USB Multimedia Audio Device
A Plugable USB Audio adapter will appear as USB Audio Device
Right-click on the device you found in step 3 and select Set as Default Device. A check mark should appear next to your device, and sound should now play through it
A Plugable USB Audio adapter will appear as USB Audio Device
Set Default Recording Device in Linux
Ensure that you audio device is connected to the PC
If the audio device is self-powered, it is a good idea to make sure that it is powered on, and that the device's volume control is not at the absolute minimum setting
Launch the 'Settings' application in your distro
Go to the 'Sound' option
Find the dropdown for your 'Input Device', and change it to your preferred input device
For additional sound device controls, you may want to consider using Pulseaudio Volume Controls (package name pavucontrol)
Most Windows notebook computers power management settings will default to putting the computer to sleep with the lid closed, regardless of any external displays, keyboard, or mouse connected to the computer. If this is happening but you would prefer the system to remain active with the lid closed utilizing the external display or displays, these settings can be changed by performing the following:
For Windows 10:
Start by right-clicking on the Start button and select Power Options from the menu.
From the right side of the Power Options settings page, select the blue link for Additional power settings
From the choices present on the left-hand side of the Power Options window, please click on Choose what closing the lid does
Make sure the setting for When I close the lid under the Plugged In column is set to Do Nothing
Click the Save Changes button and restart the system (making sure that the laptop’s power adapter is also connected) and test the behavior again.
For Windows 11:
Start by right-clicking on the Start button and select Power Options from the menu.
In the upper left corner of the settings window, in the search box, type "lid" then select Change what closing the lid does from the search results
Make sure the setting for When I close the lid under the Plugged In column is set to Do Nothing
Click the Save Changes button to apply the new settings.
Closing the lid should no longer put the computer into sleep mode when an external display and power source is connected, instead one of the external displays should now become the Primary display with the desktop icons instead of the laptop's built-in display.
The lid may still need to be opened to perform the following tasks:
To power on the computer from a fully powered off state
To log into the computer if logged out or if the computer is restarted with the lid closed
To wake the computer from a deep sleep state ( hibernation, or Windows hybrid sleep states )
If your system supports multiple Thunderbolt 3 or USB-C Alt Mode outputs, then you will be able to use multiple adapters on one system. However, there are some Thunderbolt 3/USB-C Alt Mode systems that limit the video output to one port.
Most modern MacBooks with USB-C, USB4, or Thunderbolt 3/4 ports support Alt Mode-based video adapters, making them compatible with Plugable Alt Mode video adapters. This includes:
MacBook Pro (2016 and later)
MacBook Air (2018 and later)
Mac Mini (2018 and later)
iMac (2017 and later)
Mac Studio
Important Note:
M1, M2, M3, and newer MacBooks support only one external display via Alt Mode (with exceptions for the MacBook Pro 14-inch and 16-inch with M1 Pro/Max, M2 Pro/Max, M3 Pro/Max). If you need multiple external displays for a Mac with a base M1, M2, or M3 chip, consider Plugable’s USB Graphics Adapters instead.
Many modern displays can support above the default 60Hz refresh rate, however this may need to be manually set within Windows 11. Please note, not all computers, graphics adapters, and docking stations can support all resolutions and refresh rates.
Setting the Display Refresh Rate in Windows 11
1. Right-click on the desktop and select Display Settings from the drop-down menu
2. Scroll down to the Related settings subsection and select Advanced display
3. At the top of the Advanced display window, select the external display from the drop-down menu
4. From the Choose a refresh rate drop-down menu select the desired refresh rate
Refresh Rate Limitations
With Windows 24H2 and newer, dynamic refresh rates are supported, this allows the system to adjust the display refresh rate to save power, up to the selected refresh rate. As a consequence of this new mode, when selecting the display refresh rate you may see an asterisk. This indicates that selecting the specific refresh rate may reduce the display resolution or image quality in order to prioritize the refresh rate. This exposes the refresh rate option from the display even if the display cable or computer is incapable of supporting that refresh rate at the native resolution and is the intended behavior per Microsoft. [1]
In the screenshot below the left side shows the 4K 120Hz capable display limited to 60Hz refresh rate without asterisks, and on the right the same display after setting the refresh rate to “120 Hz*”, the “Desktop mode” resolution has been reduced to 2560 x 1440 (1440p) instead of 3840 x 2160 (4K UHD). Unlike when using the display scaling option this also causes a reduction in image quality. On the right side asterisks are no longer shown in the refresh rate list. Setting the refresh rate back to 60Hz does not change the resolution, you will have to go back one page and set the resolution manually.
References
[1] Windows Insider description of new behavior (https://blogs.windows.com/windows-insider/2023/08/31/announcing-windows-11-insider-preview-build-25941-canary-channel/)
Understanding your laptop's video output capabilities is essential when connecting to external displays. This guide will help you identify what video technologies your laptop supports and how to find the relevant information.
Common Video Output Technologies
Modern laptops commonly use one or more of the following technologies to transmit video to external monitors:
1. Thunderbolt 3
Supports video output using the DisplayPort protocol.
Capable of driving up to two 4K displays at 60Hz or one 5K display at 60Hz.
Uses a USB-C connector and features a lightning bolt symbol next to the port.
Note: An example of Thunderbolt 3 ports
2. Thunderbolt 4
Provides improved performance over Thunderbolt 3.
Supports up to two 4K displays at 60Hz or one 8K display.
Uses a USB-C connector with the same lightning bolt symbol but may also include the number "4" for identification.
Note: Thunderbolt 4 has the same physical connection and “lightning” bolt icon as Thunderbolt 3
3. Thunderbolt 5 (As of 2024)
Up to 80 Gbps bi-directional bandwidth (Double that of Thunderbolt 4’s 40 Gbps).
Up to 120 Gbps bandwidth for displays (With Bandwidth Boost — 120 Gbps upstream and 40 Gbps downstream for display-intensive use cases).
Support for dual 6K or 8K displays (Compared to Thunderbolt 4’s dual 4K support).
4. USB-C DisplayPort "Alt Mode"
Allows video output directly through the USB-C port using DisplayPort technology.
Commonly supports one 4K display at 60Hz, but capabilities may vary.
Often marked with a DisplayPort ("DP") symbol, but this feature may also be specified in your system's documentation.
Note: An example of a USB-C port with DisplayPort capabilities
How to Identify Your Laptop's Video Capabilities
To determine what video technologies your laptop supports, follow these steps:
1. Check Your Laptop's User Manual:
Locate your laptop's user manual (often available online from the manufacturer's support site).
Search for keywords like "Thunderbolt," "DisplayPort Alt Mode," or "video output capabilities."
2. Visit the Manufacturer's Website:
Go to the support page for your laptop model and find the technical specifications section.
Look for details on Thunderbolt or USB-C video capabilities.
3. Inspect Your Laptop's Ports:
Check for identifying symbols next to USB-C ports:
Thunderbolt 3/4 ports may have a lightning bolt symbol.
DisplayPort Alt Mode may be marked with a "DP" icon.
“What if I do not have the above technologies?”: USB 3.0 (Type-A) and Display Expansion
While USB 3.0 (Type-A) ports do not support native video output, they can still be used to extend to two or more displays using software-based solutions like DisplayLink or Silicon Motion's InstantView. These technologies enable video through USB-A ports by utilizing dedicated drivers and software.
If your laptop lacks Thunderbolt or USB-C video capabilities, DisplayLink or InstantView may be a viable alternative for expanding your display setup. A few other things to consider:
Not all USB-C ports support video output. Checking your laptop's documentation is crucial to confirm this capability.
Thunderbolt ports are backward compatible with USB-C DisplayPort Alt Mode but provide enhanced performance and flexibility.
If you have further questions about connecting your Plugable docking station or adapter to your laptop, please reach out to our support team for guidance.
All Thunderbolt docking stations include the appropriate Thunderbolt cable in order to connect the docking station to the host computer. As of this writing, all Plugable Thunderbolt host cables that are included with Plugable Thunderbolt docking stations are 1.0 meter (approximately 3.3) feet in overall length.
For reference, the specifications of all Plugable Thunderbolt cables are printed on a small white cable flag attached to the cable itself.
If the original 1.0 meter long Thunderbolt host cable is not sufficient for a specific use case, longer cables of up to 2.0 meters (approximately 6.6 feet) in overall length can be purchased separately from Plugable. An example of such a cable is the Plugable TBT4-40G2M cable
Plugable does NOT support using Thunderbolt host connection cables that are over 2.0 meters in overall length with any Plugable brand product.
Plugable does NOT support the use of any type of Thunderbolt extension cable or any type of signal repeater in conjunction with our products.
Please note, Plugable can only guarantee the performance and compatibility of Plugable brand cables.
All Plugable USB-C docking stations include the appropriate USB-C cable in order to connect the docking station to the host computer. As of this writing, all Plugable USB-C host cables that are included with Plugable USB-C docking stations are 1.0 meter (approximately 3.3) feet in overall length.
For reference, the specifications of all Plugable brand USB-C cables are printed on a small white cable flag attached to the cable itself.
If the original 1.0 meter long USB-C host cable is not sufficient for a specific use case, longer cables of up to 2.0 meters (approximately 6.6 feet) in overall length can be purchased separately from a 3rd-party.
We recommend purchasing a cable that matches or exceeds the specifications of the original Plugable cable and purchasing said cable from both a well known and reliable brand.
Plugable does offer a 1.0 meter long USB-C extension cable (USBC-METER3-1MF) that can be used in conjunction with our USB-C docking stations. This extension cable can be combined with the original 1.0 meter long Plugable USB-C cable included in the box with the docking station to extend the overall cable length to 2.0 meters.
Plugable does NOT support using USB-C host connection cables that are over 2.0 meters in overall length with any Plugable brand product. Additionally, Plugable does NOT support the use of any type of 3rd-party USB-C extension cable or signal repeater in conjunction with our products.
For most modern Windows and Mac systems, Thunderbolt devices are automatically approved and will ‘just work’ once connected.
The main exception is Apple Mac laptops with Apple CPUs running macOS Ventura (13) or newer, where you’ll be prompted to manually approve the device the first time you connect it.
The summary table below provides the specific details at a glance, and the text that follows explains the table in more detail.
To expand further, Thunderbolt 3, 4 and 5 are in essence external connections to the host computer’s internal PCI Express bus. This type of low-level and high speed connection warranted security protocols to prevent unauthorized access to user data.
Windows: From Intel Software to Native OS Support
When Thunderbolt 3 Windows systems were first introduced in late 2015 it was necessary to use Intel Thunderbolt software to manually authenticate and approve external Thunderbolt devices.
With the introduction of Thunderbolt 4 Windows systems in 2020, it was still necessary to have Intel Thunderbolt software installed on the host computer. However, in most cases the authentication and approval process would happen automatically greatly simplifying the process.
Starting with Windows 11 version 21H2 released in October of 2021, Microsoft integrated support for both USB4 and Thunderbolt into the Windows operating system → LINK
This means that with most modern Thunderbolt 4 and Thunderbolt 5 computers running the latest version of Windows 11 it is no longer necessary to install Intel Thunderbolt software on the host computer in order to manage Thunderbolt devices. In most cases, the authentication and approval process will still happen automatically.
macOS: From Intel CPUs to Apple CPUs
When Thunderbolt 3 Mac systems with Intel CPUs were first introduced in 2016, the authentication and approval mechanism was built-in to macOS and was transparent to the end user.
Apple introduced Mac computers based on Apple CPUs in 2020. Macs based on Apple CPUs running macoS 11 Big Sur or macOS 12 Monterey would automatically approve and authenticate Thunderbolt devices when connected.
macOS 13 Ventura was released in 2022 and for portable Macs with Apple CPUs Apple introduced a feature known as ‘Accessory Security’ (also known as ‘Restricted Mode’) → LINK
By default, portable Macs (i.e. laptops) with an Apple CPU running macOS 13 Ventura or newer version of macOS will require the end user to authenticate and approve a Thunderbolt device when initially connected.
Stationary Macs (i.e. desktops) with an Apple CPU running macOS 13 Ventura or newer version of macOS do NOT implement the ‘Accessory Security’ feature. As a result, Thunderbolt devices will be automatically approved and authenticated when initially connected.
Apple Macs with Intel CPUs (both laptop and desktops) running macOS 13 Ventura or newer do NOT implement the ‘Accessory Security’ feature. As a result, Thunderbolt devices will be automatically approved and authenticated when initially connected.