1. Introduction
The OWC Thunderbolt 3 Dock is designed to expand the connectivity of your Thunderbolt 3-enabled computer, providing a wide array of ports for peripherals, displays, and network access through a single Thunderbolt 3 cable. This manual provides detailed instructions to help you set up, operate, and maintain your dock for optimal performance.

Image 1.1: The OWC Thunderbolt 3 Dock, showcasing its sleek design.
2. Product Overview
The OWC Thunderbolt 3 Dock offers 13 ports to connect various devices, streamlining your workspace and enhancing productivity. It features a robust aluminum enclosure and provides power delivery to your host computer.
2.1 Port Layout
Familiarize yourself with the dock's port layout:

Image 2.1: Detailed diagram of all ports on the OWC Thunderbolt 3 Dock.
- Front Ports:
- SD Card Reader: For direct media card access.
- Expanded Analog Audio In/Out: 3.5mm jack for headphones, speakers, or microphones.
- USB 3.1 Gen 1 (Type-A, High-Powered): Delivers 5Gb/s data speed and high power for charging devices.
- Rear Ports:
- USB 3.1 Gen 1 (Type-A) x 4: Connect various USB devices.
- S/PDIF Out: Pro-grade digital audio output.
- FireWire 800: Connect legacy FireWire devices.
- Gigabit Ethernet: Secure, reliable wired network connection.
- Dual Thunderbolt 3 Ports: One for host connection (up to 65W power delivery), one for daisy-chaining Thunderbolt devices or connecting a display (up to 40Gb/s).
- Mini DisplayPort: For connecting an external display.
- DC IN (20V 6.75A): Power input for the dock.
3. Setup
Follow these steps to set up your OWC Thunderbolt 3 Dock:
- Connect Power: Plug the included power adapter into the DC IN port on the rear of the dock, then connect it to a power outlet.
- Connect to Computer: Use the provided Thunderbolt 3 cable to connect one of the Thunderbolt 3 ports on the dock to a Thunderbolt 3 port on your computer. Ensure your computer is powered on.
- Connect Peripherals: Connect your desired devices to the appropriate ports on the dock:
- Displays: Connect your monitor(s) to the Mini DisplayPort or one of the Thunderbolt 3 ports using compatible cables/adapters.
- USB Devices: Plug in USB drives, keyboards, mice, or other USB peripherals.
- Network: Connect an Ethernet cable to the Gigabit Ethernet port for wired internet access.
- Audio: Connect headphones, speakers, or a microphone to the front audio jack, or an audio receiver to the S/PDIF Out.
- SD Card: Insert an SD card into the front SD card reader.

Image 3.1: The OWC Thunderbolt 3 Dock in a typical desktop setup, connected to a laptop and external monitor.
4. Operating the Dock
Once connected, your computer should automatically recognize the OWC Thunderbolt 3 Dock and its connected peripherals. No additional drivers are typically required for basic functionality on compatible operating systems.
4.1 Display Configuration
For external displays, you may need to adjust display settings within your operating system. This includes resolution, refresh rate, and display arrangement (extended desktop or mirroring).
4.2 Power Delivery
The dock provides up to 65W of power delivery to your host computer via the Thunderbolt 3 connection, allowing it to charge while connected. This may be sufficient for many laptops, but some high-performance models might require their dedicated power adapter for full charging under heavy load.
4.3 Data Transfer
Utilize the USB 3.1 Gen 1 ports for high-speed data transfer with external drives and other USB devices. The Thunderbolt 3 ports offer even higher bandwidth for demanding applications and daisy-chaining additional Thunderbolt devices.
5. Maintenance
To ensure the longevity and optimal performance of your OWC Thunderbolt 3 Dock, follow these maintenance guidelines:
- Cleaning: Use a soft, dry, lint-free cloth to clean the exterior of the dock. Avoid using harsh chemicals or abrasive materials.
- Ventilation: Ensure the dock is placed in a well-ventilated area to prevent overheating. Do not block any ventilation openings.
- Handling: Handle the dock with care. Avoid dropping it or subjecting it to strong impacts.
- Environmental Conditions: Operate the dock within recommended temperature and humidity ranges. Avoid extreme conditions.
6. Troubleshooting
If you encounter issues with your OWC Thunderbolt 3 Dock, try the following troubleshooting steps:
- No Power/Indicator Light Off:
- Ensure the power adapter is securely connected to both the dock and a working power outlet.
- Try a different power outlet.
- Peripherals Not Recognized:
- Verify that the Thunderbolt 3 cable is securely connected between the dock and your computer.
- Disconnect and reconnect the peripheral device to the dock.
- Try connecting the peripheral to a different port on the dock.
- Restart your computer.
- Ensure your computer's operating system and Thunderbolt drivers are up to date.
- Display Issues (No Signal, Incorrect Resolution):
- Check all display cable connections between the dock and the monitor.
- Ensure the monitor is powered on and set to the correct input source.
- Try a different display cable or adapter.
- Adjust display settings in your computer's operating system.
- If using multiple displays, ensure your computer and dock configuration supports the desired setup.
- Network Connectivity Problems:
- Verify the Ethernet cable is securely connected to the dock and your router/modem.
- Check your computer's network settings.
- Try power cycling your router/modem.
- Intermittent Connectivity:
- Ensure all cables are of good quality and securely connected.
- Power cycle the dock by disconnecting its power adapter for 10 seconds, then reconnecting it.
- Update your computer's operating system and Thunderbolt firmware.
7. Specifications
| Brand | OWC |
| Model Number | OWCTB3DK13PSG |
| Dimensions (LxWxH) | 9.06 x 3.5 x 0.98 inches (230 x 89 x 25 mm) |
| Weight | 1.19 pounds (540 grams) |
| Color | Space Gray |
| Number of Ports | 13 |
| Hardware Interface | Thunderbolt 3 (x2), USB 3.1 Gen 1 (x5), Mini DisplayPort (x1), Gigabit Ethernet (x1), FireWire 800 (x1), S/PDIF Out (x1), SD Card Reader (x1), Audio In/Out (x1) |
| Power Delivery to Host | Up to 65W via Thunderbolt 3 |
| Power Input | 20V 6.75A (135W) |
| Compatible Devices | Thunderbolt 3-enabled Laptops |
| Date First Available | November 16, 2016 |
8. Warranty and Support
For detailed warranty information, technical support, and additional resources, please refer to the official OWC website or contact OWC customer service. Keep your proof of purchase for warranty claims.







