Dell OptiPlex 5060 Tower Service Manual - Page 12

USB Type-C and USB 3.1, Thunderbolt over Type-C, Key Features of Thunderbolt 3 over USB Type-C

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phone, but that's about it. A laptop might require up to 60 watts, for example. The USB Power Delivery specification ups this power delivery to 100 watts. It's bi-directional, so a device can either send or receive power. And this power can be transferred at the same time the device is transmitting data across the connection. This could spell the end of all those proprietary laptop charging cables, with everything charging via a standard USB connection. You could charge your laptop from one of those portable battery packs you charge your smartphones and other portable devices from today. You could plug your laptop into an external display connected to a power cable, and that external display would charge your laptop as you used it as an external display - all via the one little USB Type-C connection. To use this, the device and the cable have to support USB Power Delivery. Just having a USB Type-C connection doesn't necessarily mean they do. USB Type-C and USB 3.1 USB 3.1 is a new USB standard. USB 3's theoretical bandwidth is 5 Gbps, while USB 3.1's is 10 Gbps. That's double the bandwidth, as fast as a first-generation Thunderbolt connector. USB Type-C isn't the same thing as USB 3.1. USB Type-C is just a connector shape, and the 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 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 4. 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 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 12 Technology and components

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phone, but that's about it. A laptop might require up to 60 watts, for example. The USB Power Delivery specification ups this
power delivery to 100 watts. It's bi-directional, so a device can either send or receive power. And this power can be transferred
at the same time the device is transmitting data across the connection.
This could spell the end of all those proprietary laptop charging cables, with everything charging via a standard USB connection.
You could charge your laptop from one of those portable battery packs you charge your smartphones and other portable devices
from today. You could plug your laptop into an external display connected to a power cable, and that external display would
charge your laptop as you used it as an external display — all via the one little USB Type-C connection. To use this, the device
and the cable have to support USB Power Delivery. Just having a USB Type-C connection doesn't necessarily mean they do.
USB Type-C and USB 3.1
USB 3.1 is a new USB standard. USB 3's theoretical bandwidth is 5 Gbps, while USB 3.1's is 10 Gbps. That's double the
bandwidth, as fast as a first-generation Thunderbolt connector. USB Type-C isn't the same thing as USB 3.1. USB Type-C is just
a connector shape, and the 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 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 4. 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 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
12
Technology and components