StarTech Thunderbolt 3 to Thunderbolt Adapter - Windows Only - Computer Alliance
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StarTech Thunderbolt 3 to Thunderbolt Adapter - Windows Only

Web ID: 19675

Use first-generation Thunderbolt and Thunderbolt 2 devices with your new Thunderbolt 3 computer - Thunderbolt? 3 to Thunderbolt adapter ONLY WHILE STOCKS LAST!
Manufacturer PN: TBT3TBTADAP
GTIN: 65030864138
Manufacturer Website


With this adapter, you can connect newer Windows based Thunderbolt™ 3 computers to older Thunderbolt devices, such as external hard drives, Thunderbolt displays, and older Thunderbolt capable Mac computers. Newer Thunderbolt 3 computers include the latest models of Dell™ Precision and Dell XPS.

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.

Thunderbolt 3 Logo

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

Learn more about Thunderbolt

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 A Thunderbolt? 3 USB-C (24-pin) Male
Connector B Thunderbolt? 2 (20 pin) Female
Cable Jacket Type PVC - Polyvinyl Chloride
Cable Shield Type Aluminum-Mylar Foil with Braid
Connector Plating Nickel
Packaging Information
Shipping (Package) Weight 86 g [3 oz]
Physical Characteristics
Color Black
Product Height 16 mm [0.6 in]
Product Length 280 mm [11 in]
Product Weight 64 g [2.3 oz]
Product Width 59 mm [2.3 in]
Special Notes / Requirements
Note 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 Package Thunderbolt? 3 to Thunderbolt Adapter