Product ID: TB33A1C
This Thunderbolt 3 USB 3.1 multi-channel hub controller delivers maximum USB performance, adding four high-speed independent USB ports to your Thunderbolt 3 laptop. It provides three dedicated USB controllers and up to 20Gbps of aggregated bandwidth for USB devices, ideal for connecting bandwidth-demanding devices such as 3D scanners.
The Thunderbolt 3 hub lets you access multiple USB devices at greater bandwidth and improved performance, and extend the life of your USB devices.
The high-speed USB hub provides two 10Gbps ports for connecting high-performance devices such as storage arrays, 3D scanners, audio-video devices, and external SSDs, with dedicated bandwidth for faster read/write access. The second Thunderbolt 3 port can be used to connect an additional USB-C device with up to 10G bandwidth.
When only one USB port is in use, the full 10Gbps bandwidth is available to the device. Two additional USB-A ports provide 5Gbps of bandwidth to each device simultaneously, ideal for portable hard drives or flash drives. For added convenience, the front USB-A port supports both data and charging of your mobile device.
The Thunderbolt 3 hub features a second Thunderbolt 3 port to connect an additional display to your laptop (a USB-C video adapter may be required). The port can also be used to connect additional Thunderbolt devices, daisy-chaining up to six devices.
The TB33A1C is backed by a StarTech.com 2-year warranty and free lifetime technical support.
Warranty Information | Warranty | 2 Years |
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Connector(s) | 2 - Connector Type(s) | Thunderbolt™ 3 USB-C (24-pin) (40Gbps) |
USB Type-A (9 pin) USB 3.0 (5 Gbps) | ||
1 - Connector Type(s) | USB 3.1 USB Type-A (9 pin, Gen 2, 10 Gbps) | |
USB Type-C (24 pin) USB 3.1 (10Gbps) | ||
Environmental | Operating Temperature | 0°C to 40°C (32°F to 104°F) |
Storage Temperature | -20°C to 70°C (-4°F to 158°F) | |
Humidity | 90% RH | |
Hardware | USB-C Device Port(s) | Yes |
USB-C Host Connection | No | |
Fast-Charge Port(s) | No | |
Ports | 4 | |
Bus Type | Thunderbolt 3 | |
USB 3.1 Gen 2 | ||
USB 3.1 Gen 1 | ||
Industry Standards | Thunderbolt 3 USB Battery Charging Specification Rev. 1.2 Universal Serial Bus 3.1 Specifications Revision 1.0 Universal Serial Bus Specification Revision 2.0 Extensible Host Controller Interface Specification revision 1.1 USB Attached SCSI Protocol Revision 1.0 |
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Chipset ID | Intel - Alpine Ridge JHL6540 ASMedia - ASM1042A ASMedia - ASM1142 |
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Packaging Information | Shipping (Package) Weight | 1,6 kg [3,4 lb] |
Package Length | 28,5 cm [11,2 in] | |
Package Width | 18,5 cm [7,3 in] | |
Package Height | 11,6 cm [4,6 in] | |
Performance | Maximum Data Transfer Rate | Aggregate Bandwidth 20Gbit/s |
Maximum Digital Resolutions | 3840 x 2160 (4K) 60Hz | |
UASP Support | Yes | |
Type and Rate | USB 3.1 Gen 2 - 10 Gbit/s | |
USB 3.1 Gen 1 - 5 Gbit/s | ||
MTBF | 1,936,146 hours | |
Physical Characteristics | Form Factor | Desktop |
Color | Silver & Black | |
Material | Aluminum | |
Cable Length | 50 cm [19,7 in] | |
Product Length | 14,8 cm [5,8 in] | |
Product Width | 74 mm [2,9 in] | |
Product Height | 23,5 mm [0,9 in] | |
Weight of Product | 200 g [7,1 oz] | |
Power | Power Source | AC Adapter Included |
Power Delivery | 15W | |
Input Voltage | 100 - 240 AC | |
Input Current | 1.8 A | |
Output Voltage | 20V DC | |
Output Current | 3.25 A | |
Center Tip Polarity | Positive | |
Plug Type | N | |
Power Consumption (In Watts) | 65W | |
Software | OS Compatibility | Windows® 7, 8, 8.1, 10 macOS 10.12 - 10.15, 11.0 |
Special Notes / Requirements | System and Cable Requirements | Thunderbolt 3 equipped computer with a Thunderbolt 3 port. |
Your laptop's Thunderbolt 3 port must support USB Power Delivery 2.0 in order to power and charge your laptop. | ||
Note | When connecting a display to the Thunderbolt 3 USB-C port, a USB-C video adapter might be required depending on the input of your display. | |
Secondary Thunderbolt 3 port can also be used to connect USB 3.1 (10Gbps) USB-Type C devices, such as USB 3.1 Storage Enclosure or Hubs. Backwards compatible with USB 3.1 Gen 1 (USB 3.0), and USB 2.0. | ||
USB 3.1 Gen 1 is also known as USB 3.0; this connectivity standard offers speeds up to 5Gbps. USB 3.1 Gen 2 offers speeds up to 10Gbps. | ||
What's in the Box | 1 - Included in Package | Thunderbolt 3 controller |
Thunderbolt 3 Cable (50 cm) | ||
universal power adapter (NA/JP, UK, EU, ANZ) | ||
quick-start guide |
USB Type-C™ to HDMI Converter | Thunderbolt™ 3 Compatible | DP Alt Mode
Connect your MacBook, Chromebook or laptop with USB Type-C to a VGA monitor or projector
Connect your MacBook, Chromebook™ or laptop with USB-C to a DVI monitor or projector
4K 60Hz & 8K 30Hz | DP 1.4 | HBR2 | Thunderbolt 3 Compatible
Dual Monitor Adapter | Windows® | Thunderbolt™ 3 Compatible
USB-C Network Adapter | 10/100/1000Mbps | Thunderbolt™ 3 Compatible | RJ45
Use the USB-C port on your laptop to add LAN access with two Gigabit Ethernet ports and a USB 3.0 (Type-A) port
Add a Gigabit Ethernet port and a USB 3.0 pass-through port to your laptop through a single USB 3.0 port
USB 3.0 External Video & Graphics Card | Multi-Monitor | USB-Powered | Supports Mac & Windows®
Add headphone and MIC audio connectors through USB
Add ten USB 3.0 ports, including two charging downstream ports, to your computer
Provide four times the data transfer speed of any other cable type, enable dual 4K 60Hz video, and power your devices with a single cable
Provide four times the data transfer speed of any other cable type, enable dual 4K 60Hz video, and power your devices with a single cable
Thunderbolt™ 3 USB-C™ Cable | Dual 4K or Full 5K | Thunderbolt Certified
Thunderbolt™ 3 USB-C™ Cable | Dual 4K or Full 5K | Thunderbolt Certified
Connect your USB Type-C laptop to a USB legacy peripheral device, with this durable adapter
USB-A to USB-C™ Cable | USB-IF Certified | USB 3.1 (10Gbps)
Connect USB 3.1 or 3.0 USB-B devices to your USB-C tablet or laptop or computer
Connect your USB Type-C devices, with reduced clutter
Power your USB Type-C devices
Connect USB Micro-B devices to your USB Type-C host with reduced clutter
Share a single USB 3.0 device between two different computers
Turn your laptop into a compact workstation wherever you work or go, adding video, Gigabit Ethernet, and a USB 3.0 port through USB Type-C (5Gbps)
Laptop Docking Station | Mac & Windows® | DVI to VGA & HDMI® Adapters | 2x Charge Ports
Laptop Docking Station | Mac & Windows® | DVI to VGA Adapter | Vertical
Laptop Docking Station | Mac & Windows® | DisplayPort & HDMI | 4K 60 Hz
Laptop Docking Station | File Transfer | DisplayPort & HDMI | Mac & Windows® | 5x USB
USB Type-C™ Video Adapter Cable | Thunderbolt™ 3 Compatible
USB Type-C™ Video Adapter Cable | Thunderbolt™ 3 Compatible
Eliminate clutter by connecting your USB Type-C computer directly to an HDMI display, without additional adapters
Eliminate clutter by connecting your USB Type-C computer directly to an HDMI display without additional adapters
Dual Monitor Adapter | Windows® | Thunderbolt™ 3 Compatible
Run the most resource-demanding applications on two 4K 60Hz displays, using your Mac or PC
Run the most resource-demanding applications on two 4K 60Hz displays, using your Mac or PC
Use a Thunderbolt 3 port on your Windows system to run resource demanding applications on two UHD 4K displays, or run a 5K monitor
Use a Thunderbolt 3 port on your Windows system to run resource demanding applications on two UHD 4K displays
Multi-Monitor Video Splitter | Windows® | Thunderbolt™ 3 Compatible
We are always ready to assist you with any questions you may have.
Live Chat (opens in new window)We are always ready to assist you with any questions you may have.
Live Chat (opens in new window)If you receive an error message that your Thunderbolt device is not certified for PC use, try the following to resolve the issue:
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 check which version of the Thunderbolt™ software, NVM firmware, and drivers you are running, do the following:
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:
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:
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:
Thunderbolt™ 3 is the latest version of the Thunderbolt standard for connecting computers and electronic devices. It is capable of the following:
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.
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.
Although the Thunderbolt™ 3 standard is capable of data transfer speeds up to 40Gbps, not every cable can support this bandwidth. For example, cables over a certain length or made with certain materials are only capable of data transfer speeds up to 20Gbps.
To confirm the capability of your Thunderbolt 3 cable, refer to the information provided by the manufacturer. StarTech.com lists the capabilities of the Thunderbolt 3 cables on the individual product pages.
There are two different Thunderbolt 3 cable symbols: the 20Gbps symbol and the 40Gbps symbol. The 20Gbps symbol is composed of the Thunderbolt 3 symbol, and the 40Gbps symbol is composed of the Thunderbolt 3 symbol and the number three. These images are shown below.
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.
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