StarTech. com TBT3TBTADAP Thunderbolt 3 to Thunderbolt 2 Adapter - USB-C to 20-pin Female - 8in Cable - 12W Power - Black
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Product Features
Technical Overview
This Thunderbolt adapter is engineered specifically for unidirectional connectivity from Thunderbolt 3 hosts to Thunderbolt 2 and Thunderbolt 1 devices. The adapter supports Thunderbolt 2's 20Gbps and Thunderbolt 1's 10Gbps bandwidth, ensuring data-intensive peripherals like high-speed storage arrays maintain optimal performance when connected to modern Thunderbolt 3 systems.
The physical connector uses a Mini DisplayPort form factor but carries only Thunderbolt signals, meaning it cannot adapt to standard DisplayPort or Mini DisplayPort monitors. The nickel-plated connectors provide corrosion resistance and reliable electrical contact, while the black PVC jacket offers durability and a professional appearance.
This section brings together practical product details such as Adapter Type, Connector on First End Details, Connector on Second End Details, Color Family, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
This adapter solves the compatibility challenge that arises when upgrading to Thunderbolt 3 systems while maintaining investments in Thunderbolt 2 infrastructure. Unlike generic adapters, it preserves Thunderbolt's full functionality including daisy-chaining capabilities and power delivery to connected devices.
Thunderbolt Display Compatibility
Enables connection of legacy Thunderbolt displays like the 27-inch Apple Thunderbolt Display and LG Ultrawide Thunderbolt 2 monitors to Thunderbolt 3 laptops, extending the useful life of high-quality professional displays.
- Works with Apple Thunderbolt Displays
- Compatible with LG Ultrawide TB2 displays
- Maintains display functionality
Enterprise-Grade Compatibility
Certified for use with Thunderbolt 3 laptops from major manufacturers including Dell XPS and Latitude series, Lenovo ThinkPad X1 and P series, HP EliteBook, and Apple MacBook Air and Pro models.
- Dell XPS 13/15 compatible
- Lenovo ThinkPad certified
- HP EliteBook supported
Deployment / Use Cases
IT departments deploying Thunderbolt 3 laptops across organizations will find this adapter essential for maintaining compatibility with existing Thunderbolt 2 storage solutions, docking stations, and professional displays. Creative professionals working with legacy Thunderbolt audio interfaces or video capture devices can continue using their specialized equipment with modern laptop systems.
The adapter is particularly valuable in mixed-environment workplaces where some users have upgraded to Thunderbolt 3 systems while shared peripherals remain Thunderbolt 2. Media production teams can connect Thunderbolt 3 editing workstations to Thunderbolt 2 RAID arrays for high-speed media transfer without replacing expensive storage infrastructure.
Storage Array Connectivity
Connect Thunderbolt 3 laptops to Thunderbolt 2 external storage drive bays for high-speed data access to large media files, databases, or virtual machine storage.
- External RAID arrays
- High-capacity storage
- Fast data transfer
Legacy Peripheral Support
Enable continued use of Thunderbolt 2 audio interfaces, video capture devices, and specialized industrial equipment with modern Thunderbolt 3 laptop systems.
- Audio production equipment
- Video capture devices
- Specialized peripherals
Physical Profile
The compact adapter measures just 8 inches in cable length with a lightweight construction of 2.05 ounces, making it highly portable for professionals who need connectivity on the go. The black PVC jacket provides flexibility and durability, while the nickel-plated connectors ensure reliable connections through repeated mating cycles. The minimalist design integrates seamlessly into professional workspace setups without adding bulk or clutter.
- Weight
- 2.05 oz (58 g)
Highlights
- Enables Thunderbolt 3 laptops to connect with Thunderbolt 2 and Thunderbolt 1 peripherals
- Features USB Type C Thunderbolt 3 male to 20-pin Thunderbolt 2 female connectivity
- 8-inch integrated cable provides placement flexibility without external cables
- Bus-powered design delivers up to 12W to connected Thunderbolt devices
- Compatible with Thunderbolt displays including Apple Thunderbolt Display and LG Ultrawide
- Works with Thunderbolt 3 certified laptops from Dell, Lenovo, HP, and Apple
- Cross-platform support for both Windows and macOS operating systems
- Nickel-plated connectors for corrosion resistance and reliable connections
- Black PVC jacket for durability and professional appearance
- 2-year limited warranty with EU RoHS environmental certification
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | TBT3TBTADAP |
| Brand Name | StarTech.com |
| Product Name | Thunderbolt 3 to Thunderbolt Adapter |
| Packaged Quantity | 1 Each |
| Product Type | Data Transfer Adapter |
| Technical Information | |
| Adapter Type | Thunderbolt 2/Thunderbolt 3 |
| Connector on First End Details | 1 x 24-pin USB Type C Thunderbolt 3 - Male |
| Connector on Second End Details | 1 x 20-pin Thunderbolt 2 - Female |
| Connector Plating | Nickel |
| Physical Characteristics | |
| Color Family | Black |
| Product Color | Black |
| Jacket Material | Polyvinyl Chloride (PVC) |
| Weight (Approximate) | 2.05 oz (58 g) |
| Miscellaneous | |
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Environmental Certification | EU RoHS |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) 2,Registration, Evaluation, Authorization and Restriction of Chemicals (REACH),Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | 2 Year |
User Manual
FAQ
What is the primary function of this Thunderbolt adapter?
This adapter enables Thunderbolt 3 equipped laptops and desktops to connect with older Thunderbolt 2 and Thunderbolt 1 peripherals. It provides backward compatibility for devices like external storage arrays, Thunderbolt displays, and specialized Thunderbolt equipment that use the 20-pin Thunderbolt 2 connector, allowing you to continue using legacy Thunderbolt investments with modern systems.
Is this adapter bidirectional?
No, this adapter is not bidirectional. It only works in one direction: from Thunderbolt 3 hosts (like modern laptops) to Thunderbolt 2 or Thunderbolt 1 peripherals. It cannot connect Thunderbolt 3 peripherals to computers with Thunderbolt 1 or Thunderbolt 2 ports, and it will not work in reverse configuration.
Can I use this adapter with Mini DisplayPort monitors?
No, this adapter cannot be used with standard Mini DisplayPort or DisplayPort monitors. While it uses a physical Mini DisplayPort connector form factor, it carries only Thunderbolt signals. It is specifically designed for Thunderbolt peripherals and will not adapt Thunderbolt to DisplayPort video signals for non-Thunderbolt displays.
What Thunderbolt 3 laptops are compatible with this adapter?
The adapter is compatible with Thunderbolt 3 certified laptops from major manufacturers including Apple MacBook Air and MacBook Pro, Dell XPS 13 and 15, Dell Latitude and Precision series, Lenovo ThinkPad X1 and P series, and HP EliteBook models. The host system must have a genuine Thunderbolt 3 port, not just a USB-C port without Thunderbolt support.
Does this adapter provide power to connected devices?
Yes, this bus-powered adapter provides up to 12W of power to connected Thunderbolt peripherals. It draws power directly from the Thunderbolt 3 host system through the USB Type C connection, eliminating the need for an external power adapter while still delivering sufficient power for many Thunderbolt devices.
What refresh rate or brightness details are available?
Display-oriented products are best judged through screen, connectivity, and installation specifications. Those facts help buyers confirm visual fit, mounting flexibility, and deployment suitability more clearly than generic summary text.
What input or connectivity options are listed?
1 x 24-pin USB Type C Thunderbolt 3 - Male.
Does the display support VESA mounting or adjustment features?
Display-oriented products are best judged through screen, connectivity, and installation specifications. Those facts help buyers confirm visual fit, mounting flexibility, and deployment suitability more clearly than generic summary text.
| Qty | Price | Available |
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