Dell Latitude 3540, Service Manual

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underlying technology could just be USB 2 or USB 3.0. In fact, Nokia's N1 Android tablet uses a USB Type-C connector, but underneath it's
all USB 2.0 — not even USB 3.0. However, these technologies are closely related.
Thunderbolt over USB Type-C
Thunderbolt is a hardware interface that combines data, video, audio, and power in a single connection. Thunderbolt combines PCI Express
(PCIe) and DisplayPort (DP) into one serial signal, and additionally provides DC power, all in one cable. Thunderbolt 1 and Thunderbolt 2 use
the same connector as miniDP (DisplayPort) to connect to peripherals, while Thunderbolt 3 uses a USB Type-C connector.
Figure 1. Thunderbolt 1 and Thunderbolt 3
1 Thunderbolt 1 and Thunderbolt 2 (using a miniDP connector)
2 Thunderbolt 3 (using a USB Type-C connector)
Thunderbolt 3 over USB 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.
1 Thunderbolt 3 uses USB Type-C connector and cables - It is compact and reversible
2 Thunderbolt 3 supports speed up to 40 Gbps
3 DisplayPort 1.2 – compatible with existing DisplayPort monitors, devices and cables
4 USB Power Delivery - Up to 130W on supported computers
Key Features of Thunderbolt 3 over USB Type-C
1 Thunderbolt, USB, DisplayPort and power on USB Type-C on a single cable (features vary between different products)
2 USB Type-C connector and cables which are compact and reversible
3 Supports Thunderbolt Networking (*varies between different products)
4 Supports up to 4K displays
5 Up to 40 Gbps
NOTE: Data transfer speed may vary between different devices.
Technology and components 13