Figure 1. Thunderbolt 1 and Thunderbolt 3
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Thunderbolt 1 and Thunderbolt 2 (using a miniDP connector)
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Thunderbolt 3 (using a USB Type-C connector)
Thunderbolt 3 over Type-C
Thunderbolt 3 brings Thunderbolt to USB Type-C at speeds up to 40 Gbps, creating one compact port that does it all - delivering the
fastest, most versatile connection to any dock, display or data device like an external hard drive. Thunderbolt 3 uses a USB Type-C
connector/port to connect to supported peripherals.
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Thunderbolt 3 uses USB Type-C connector and cables - It is compact and reversible
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Thunderbolt 3 supports speed up to 40 Gbps
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DisplayPort 1.2 – compatible with existing DisplayPort monitors, devices and cables
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USB Power Delivery - Up to 130W on supported computers
Key Features of Thunderbolt 3 over USB Type-C
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Thunderbolt, USB, DisplayPort and power on USB Type-C on a single cable (features vary between different products)
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USB Type-C connector and cables which are compact and reversible
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Supports Thunderbolt Networking (*varies between different products)
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Supports up to 4K displays
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Up to 40 Gbps
NOTE:
Data transfer speed may vary between different devices.
Thunderbolt Icons
Figure 2. Thunderbolt Iconography Variations
Technology and components
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