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StarTech Thunderbolt 3 to Thunderbolt Adapter - Windows and Mac

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Cost-effective solution, Compatible with multiple Devices, Suppliers Power for BUS-Powered Devices, Thunderbold Ceritified

A Thunderbolt 3 laptop connected to a Thunderbolt 2 drive enclosure, using the TBT3TBTADAP adapter

Because this adapter is backward compatible, you can connect to first-generation Thunderbolt devices at 10Gbps speed. With Thunderbolt 2 devices, you can connect at 20Gbps. The adapter satisfies all requirements for bi-directional data transfers and simultaneous power for bus-powered devices.

The TBT3TBTADAP is backed by a 2-year warranty for guaranteed reliability.

Your computer?s Thunderbolt 3 ports might not function properly until you update one or more of the following on your computer:

  • BIOS
  • Thunderbolt firmware
  • Thunderbolt 3 controller drivers
  • Thunderbolt 3 software

The required updates will vary depending on your computer.

For an up-to-date list of affected computers and instructions, visit If your manufacturer isn?t listed on the Thunderbolt website, contact your manufacturer.

Connector AThunderbolt? 3 USB-C (24-pin) Male
Connector BThunderbolt? 2 (20 pin) Female
Cable Jacket TypePVC - Polyvinyl Chloride
Cable Shield TypeAluminum-Mylar Foil with Braid
Connector PlatingNickel
Packaging Information
Shipping (Package) Weight86 g [3 oz]
Physical Characteristics
Cable Length200 mm [7.9 in]
Product Height16 mm [0.6 in]
Product Length280 mm [11 in]
Product Weight64 g [2.3 oz]
Product Width59 mm [2.3 in]
OS CompatibilityWindows 10 (32-bit or 64-bit), Windows 8.1 (64-bit only), macOS Sierra (10.12)
Special Notes / Requirements
NoteAny host system that doesn?t provide the full 15W of bus power won?t work with this device. Consult the manufacturer of your host system to determine how much bus power your host system provides.
This adapter is compatible with Thunderbolt? displays only. It will not work with Mini DisplayPort (mDP) or DisplayPort (DP) monitors.
What's in the Box
Included in PackageThunderbolt? 3 to Thunderbolt Adapter
Connector 1 This is the first connector in the device. Female
Connector 2 This is the second connector in the device. Male
Cable length How long the cable is. 0.2 m
Data transfer rate (max) 20 Gbit/s
Product colour The colour e.g. red, blue, green, black, white. Black
Connector contacts plating What the connector contacts are covered with (layer on top). Nickel
Jacket material Polyvinyl chloride (PVC)
Cable shielding The protective layer for the cable, typically made of plastic. Aluminum mylar foil
Quantity per pack 1 pc(s)
Weight Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies. 58 g
RoHS compliance The Restriction of Hazardous Substances (RoHS) Directive aims to restrict certain dangerous substances commonly used in electrical and electronic equipment. Any RoHS compliant product is tested for the presence of Lead (Pb), Cadmium (Cd), Mercury (Hg), Hexavalent chromium (Hex-Cr), Polybrominated biphenyls (PBB), and Polybrominated diphenyl ethers (PBDE). PBB and PBDE are flame retardants used in several plastics. For Cadmium and Hexavalent chromium, there must be less than 0.01% of the substance by weight at raw homogeneous materials level. For Lead, PBB, and PBDE, there must be no more than 0.1% of the material, when calculated by weight at raw homogeneous materials. Any RoHS compliant component must have 100 ppm or less of mercury and the mercury must not have been intentionally added to the component. In the EU, some military and medical equipment are exempt from RoHS compliance.
Certification CE, FCC, Thunderbolt, REACH
Logistics data
Quantity per master (outer) case 72 pc(s)
Master (outer) case length 37.5 cm
Master (outer) case width 30.9 cm
Master (outer) case height 29.6 cm
Packaging data
Package width The distance from one side of the packaging to the other. 82 mm
Package depth The distance from the front to the back of the packaging. 178 mm
Package height The distance from the top to the bottom of the packaging. 25 mm
Package weight Weight of the packaged product. 86 g
More Information
SKU 224245
Brand Startech
Product Condition Brand New/Unused
Adapter Type DisplayPort Adapter
Stock Availability Available for Shipping
Warranty Period 2 Years Warranty
Warranty Contact