Overview#Thunderbolt is the brand name of a hardware interface developed by Intel (in collaboration with Apple) that allows the connection of external peripherals to a computer.
Thunderbolt 1 and 2 use the same connector as Mini DisplayPort (MDP), whereas Thunderbolt 3 re-uses the USB-C connector from USB. Thunderbolt was initially developed and marketed under the name Light Peak, and first sold as part of a consumer product on 24 February 2011.
Thunderbolt can support up to six peripherals may be supported by one connector through various typologies.
Thunderbolt will be part of the USB 4 standard.