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    Home » RAZER THUNDERBOLT 4 Dock Chroma User Manual
    RAZER

    RAZER THUNDERBOLT 4 Dock Chroma User Manual

    By Gabriel SmithNovember 1, 2025Updated:January 11, 2026No Comments9 Mins Read
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    RAZER THUNDERBOLT 4 Dock Chroma User Manual

    RAZER-THUNDERBOLT-4-Dock-Chroma-Product

    Safety Instructions

    To achieve maximum safety while using your Razer Thunderbolt™ 4 Dock Chroma, we suggest that you adopt the following guidelines:

    • Do not take apart the device (doing so will void your warranty), and do not attempt to operate it under abnormal current loads.
    • Keep the device away from liquid, humidity, or moisture. Operate the device only within the specific temperature range of 0°C (32°F) to 40°C (104°F).
    • Should the temperature exceed this range, unplug and/or switch off the device in order to let the temperature stabilize to an optimal level.

    What’s Inside

    Razer Thunderbolt™ 4 Dock Chroma Model No• RC21-0169

    • Power port
    • Thunderbolt™ 4 / USB Type-C ports (receiver)
    • Gigabit Ethernet port (RJ-45)
    • USB 3.2 Gen 2 Type-A portsRAZER-THUNDERBOLT-4-Dock-Chroma-Fig-10
    • SD card slot
    • 3.5mm audio combo port
    • Thunderbolt™ 4 / USB Type-C port (source)
    • Razer Chroma™ RGB underglow lighting
    • 100W Thunderbolt™ 4 / USB Type-C cableRAZER-THUNDERBOLT-4-Dock-Chroma-Fig-11
    • Power adapter + regional power cordRAZER-THUNDERBOLT-4-Dock-Chroma-Fig-12
    • Important Product Information Guide

    What’s Needed

    Product Requirement

    • PC with a free Thunderbolt™ 4 / USB Type-C port or compatible Thunderbolt™ 3 devices*
    • AC power outlet
    • Windows 10 64-bit (or higher)
    • Internet connection for software installation
    • Compatible Thunderbolt™ 3 devices listed here

    Setting

    1.  With the appropriate power cord connected to the power adapter, insert its AC plug into a power outlet, and then connect it to the power port of your Razer Thunderbolt™ 4 Dock Chroma. Use the appropriate power cord for your region.RAZER-THUNDERBOLT-4-Dock-Chroma-Fig-14
    2. Using the provided cable, connect your Razer device to the Thunderbolt™ 4/USB Type-C port (source) of your computer. Thunderbolt™ 4 supports up to USB 4 and is compatible with previous versions.RAZER-THUNDERBOLT-4-Dock-Chroma-Fig-15
    3. Use the Razer Synapse app to customize your device’s lighting.
    Configuration
    • Disclaimer
      The features listed here require you to log in to Razer Synapse. These features are also subject to change based on the current software version and your Operating System.
    • SYNAPSE TAB
      The Synapse tab is your default tab when you first launch Razer Synapse 3. This tab allows you to navigate the Dashboard subtab.
    • Dashboard
      The Dashboard subtab is an overview of your Razer Synapse 3, where you can access all your Razer doviroc modules and online service.RAZER-THUNDERBOLT-4-Dock-Chroma-Fig-1
    • Modules
      The Modules subtab displays all installed and available modules for installation.RAZER-THUNDERBOLT-4-Dock-Chroma-Fig-2
    • Global Shortcuts
      Bind operations or Razer Synapse functions to custom key combinations from any Razer Synapse-enabled device inputs, which apply across all device profiles. Learn more about Profiles. Only Razer Sunanse-enabled device inputs will he recognized.RAZER-THUNDERBOLT-4-Dock-Chroma-Fig-3
    • ACCESSORY TAB
      The Accessory tab is the main tab for your Razer Thunderbolt™ 4 Dock Chroma. From here, you can customize your device’s settings to unleash its full potential. Changes made under this tab are automatically saved to your system and cloud storage.
    • AUDIO
      The Audio subtab is for modifying your device’s sound properties.RAZER-THUNDERBOLT-4-Dock-Chroma-Fig-4
    Profile
    • A Profile is a data storage for keeping all your Razer devices’ settings. By default, the profile name is based on your system’s name. To add, import, rename, duplicate, export, or delete a profile, simply press the profile’s corresponding Miscellaneous button ( • • •).
    • Volume
      You can mute the device by toggling the Volume option or adjusting the audio volume of the device.
    • Sound Properties
      Access the Windows Sound Properties link to manage the sound settings of your system, such as modifying its playback and recording device settings, sound scheme, and default communications activity.
    • Lighting
      The Lighting subtab enables you to modify your Razer device’s light settings.RAZER-THUNDERBOLT-4-Dock-Chroma-Fig-15
    • Brightness
      You can turn off your Razer device’s lighting by toggling the Brightness option, increasing/decreasing.
      The luminance is adjusted using the slider.

    Quick Effects

    Several quick effects can be selected and applied to your mouse’s lighting as listed here:
    If you have other supported Razer Chroma-enabled devices, you can synchronize their quick effects with your Razer device by clicking the Chroma Sync button ( ” Only devices that support the selected lighting effect will synchronize.

    • Advanced Effects
      The Advanced Effects option allows you to choose a Chroma Effect you want to use on your Razer Chroma-enabled peripheral. To start making your own Chroma Effect, simply press the Chroma Studio button ( CHROMA STUDIO no ). Click here to learn more about the Chroma Studio.

    PROFILES TAB

    The Profiles tab is a convenient way of managing all your profiles and linking them to your games and applications.

    Devices

    View which games are linked to each device’s profiles or which Chroma Effect is linked to specific games using the Devices subtab.

    You can import Profiles / Chroma Effects from your computer or from the cloud through the import button (L), or create new profiles within the selected device or new Chroma Effects for specific games using the add button. To rename, duplicate, export, or delete a profile, simply press the Miscellaneous button (• ••). Each profile and/or Chroma Effect can be set to automatically activate when you run an application using the Linked Games option.

    Linked Games

    • The Linked Games subtab gives you the flexibility to add games, view peripherals that are linked to games, or search for added games. You can also sort games based on alphabetical order, last played, or most played. Added games will still be listed here even if it is not linked to a Razer device.

    To link games to connected Razer devices or Chroma Effects, simply click on any game from the list, and then click Select a device and its profile to launch automatically during gameplay to select the Razer device or Chroma Effect it will link wink. Once linked, you may click on the Miscellaneous button (•••) of the corresponding Chroma Effect or device to select a specific Chroma Effect or profile.

    SETTINGS WINDOW

    The Settings window, accessible by clicking the (P) button on Razer Synapse 3, enables you to configure the startup behavior, change language, view your Razer device’s master guide, or perform a factory reset on any connected Razer device.

    General Tab

    The default tab of the Settings window. The General tab enables you to change the software’s
    display language, start-up behavior, and display theme, or view the master guide of all connected
    Razer devices. You may also manually sync your profiles to the cloud (C) or view the master guide
    of all connected Razer devices.

    Reset tab

    The Reset tab allows you to perform a factory reset on all connected Razer devices with on-board memory and/or reset Razer Synapse 3 tutorials to acquaint yourself again with Razer Synapse 3’s new features on its next launch.

    • By resetting a Razer device, all profiles stored on the selected device’s on-board memory will be erased.
    About tab

    The About tab displays brief software information, a copyright statement, and provides relevant links for the terms of use. You may also use this tab to check your software updates, or as a quick access to Razor’s social media communities.

    Maintainance & Use

    The Razer Thunderbolt™ 4 Dock Chroma requires minimal maintenance to keep it in optimum condition. Once a month, we recommend you unplug the device from the computer and clean it using a soft cloth or cotton swab with a bit of warm water to prevent dirt buildup. Do not use soap arharch dlasnina srante.

    Warranty

    You’ve got a great device in your hands, complete with a 3-year limited warranty coverage.

    ©2019 Razer Inc. All rights reserved. Razer, the RAZER THUNDERBOLT 4 Dock Chroma triple-headed snake logo, Razer logo, “For Gamers. By Gamers.”, and “Powered by Razer Chroma” logo are trademarks or registered trademarks of Razer Inc. and/or affiliated companies in the United States or other countries.

    All other trademarks and trade names are the property of their respective owners, and other company and product names mentioned herein may be trademarks of their respective companies.

    Razer Inc. (“Razer”) may have copyright, trademarks, trade secrets, patents, patent applications, or other intellectual property rights (whether registered or unregistered) concerning the product in this guide. Furnishing of this guide does not give you a RAZER THUNDERBOLT 4 Dock Chroma license to any such copyright, trademark, patent, or other intellectual property right.

    The Razer Kraken X USB (the “Product”) may differ from pictures, whether on packaging or otherwise. Razer assumes no responsibility for such differences or for any errors that may appear. Information contained herein is subject to change without notice.

    Limited Product Warranty

    • For the latest and current terms of the Limited Product Warranty, please visit razer.com/warrant.,

    Limitation of Liability

    Razer shall in no event be liable for any lost profits, loss of information or data, special, incidental, indirect, punitive or consequential or incidental damages, arising in any way out of distribution of, sale of, resale of, use of, or inability to use the Product. In no event shall Razer’s liability exceed the retail purchase price of the Product.

    General

    These terms shall be governed by and construed under the laws of the jurisdiction in which the Product was purchased. If any term herein is held to be invalid or unenforceable, then such term (in so far as it is invalid or unenforceable) shall be given no effect and deemed to be excluded without invalidating any of the remaining terms. Razer reserves the right to amend any term at any time without notice.

    Customer Support

    • Website: razerid.razer.com
    • For Help: support.razer.com
    • Ph: 1-855-872-5233

    FAQs

    What devices are compatible with the RAZER Thunderbolt 4 Dock Chroma?

    Macs and Windows PCs that support USB-C with DisplayPort Alt Mode or Thunderbolt 4 can use the dock. Additionally, it is completely optimised for Razer laptops, such as the Blade line.

    Can it power my laptop through the Thunderbolt connection?

    Indeed. For the majority of laptops, the dock’s maximum power delivery (PD) of 90W via the host Thunderbolt 4 connector is enough.

    How many displays can I connect using this dock?

    Depending on the GPU and Thunderbolt compatibility of your system, you can connect up to two 4K displays at 60Hz or one 8K display.

    Is the RGB lighting customizable?

    Indeed! Using the Razer Synapse software for Windows, users can customise the dock’s base’s Razer Chroma RGB illumination.

    Does it work with MacBooks and macOS?

    The dock is compatible with macOS; OS, however, er only Windows offers Razer Synapse and Chroma RGB customisation. On macOS, RGB will fall back to a static pattern by default.

    Can I charge my phone or tablet through the USB-A ports?

    The majority of USB devices, including phones and tablets, may be charged using the USB-A 3.2 Gen 2 ports (up to 7.5W).

    Does it require a power adapter?

    Indeed, a 135W power adapter is included with the dock to power your laptop and any connected devices.

    Can I use it as a standalone USB hub without a Thunderbolt 4 device?

    USB-C fallback enables basic USB hub capabilities, but a Thunderbolt 4 host is necessary for full performance (display, power, and chaining).

    OnyxGuides Manual RAZER THUNDERBOLT 4 Dock Chroma installation guide RAZER THUNDERBOLT 4 Dock Chroma maintenance guide RAZER THUNDERBOLT 4 Dock Chroma manual RAZER THUNDERBOLT 4 Dock Chroma operation manual RAZER THUNDERBOLT 4 Dock Chroma user manual User Manual
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    Gabriel Smith

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