Thunderbolt Cable can be used to connect a wide range of peripheral types to your box.
Here are more details about the thunderbolt cable.
And Thunderbolt 2 technology can bond the two channels for a superfast 20Gb/s.

Use this cable to connect Thunderbolt-enabled devices to the Thunderbolt or Thunderbolt 2 port on your Mac.
Thunderbolt Cable
What is Thunderbolt Cable used for?
The Apple Thunderbolt Cable lets you connect a Thunderbolt-equipped system to a Thunderbolt gear.

It supports the following Mac models: MacBook Air, MacBook Pro, Mac Pro, Mac mini.
The price of Thunderbolt Cable is from $29 to $39.
It has two kinds of length: 0.5 meters and 2 meters.
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you could choose one based on your needs.
It supports DisplayPort High Bit Rate 3 (HBR3) video output.
It delivers a maximum of 100W power to any connected machine.
Check the specifications of your machine to determine which data-transfer standard it supports.
Compared it with Apple USB-C Charge Cable.
The Apple Thunderbolt 3 (USB-C) cable has a Thunderbolt logo on the sleeve of each connector.
Either cable can be used with the Apple USB-C Power Adapter.
As an active cable, it contains circuitry in its connectors.
In June 2012, Apple began selling a Thunderbolt-to-gigabit Ethernet adaptor cable for $29.
Final Words
To sum up, you have got some information about Thunderbolt Cable like its usage.
In addition, you have also got some knowledge about Thunderbolt technology and Thunderbolt 3.