You can think of PCI Express as an expressway that lets data move quickly and efficiently between these “locations.” Because Thunderbolt is based on PCI Express, it offers a direct connection to the PCI Express bus, which is part of the reason it can offer such impressive performance. PCI Express is the high-speed architecture that’s used to connect many of the components in your Mac, such as the processor, graphics card, and hard drive. Optical versions will likely be used only when cables longer than three meters are needed.) (IntelĮxpects most vendors to use electrical connections both for this advantage and because of the lower cost. One thing to note, however, is that although Thunderbolt is designed to allow the use of either electrical or optical connections, Apple’s current implementation uses only electrical circuitry, which allows the port to carry power, as well. Light Peak was simply Intel’s codename for Thunderbolt while the technology was under development-they’re names for the exact same technology. Thunderbolt™ 3 is a superset solution which includes USB 3.1 (10Gbps), and adds 40Gbps Thunderbolt™ and DisplayPort™ 1.2 from a single USB Type-C port.Is Thunderbolt any different from Light Peak? What is the difference between Thunderbolt™ 3 and USB Type-C? However, you may require compatible adapters to connect USB Type-A or other USB connectors. Yes, Thunderbolt™ 3 uses USB Type-C port and it is fully compatible with USB devices and cables. Can I connect USB devices to a Thunderbolt™ 3 port? To confirm you have a Thunderbolt™ port on your computer, display, or cable check for the Thunderbolt™ symbol next to or above the port or connector. The port's appearance is physically the same as miniDP (DisplayPort™). How do i find out if my computer, display or cable is Thunderbolt™ capable? Look for the Thunderbolt™ logo on the connectors and ports.Īlthough the port's appearance is physically the same as miniDP (DisplayPort™), using standard miniDP (DisplayPort™) cables cannot be used to connect Thunderbolt™ devices. Thunderbolt™ certified cables come in copper or optical cable variants. Thunderbolt™ devices require Thunderbolt™ certified cables for optimal performance. Thunderbolt™ uses a connector that fits the miniDP (DisplayPort™) port or connector. What type of physical connection does Thunderbolt™ use? What types of Thunderbolt™ devices are available?ĭifferent types of Thunderbolt™ capable devices available are external hard drives, audio/video capture devices, displays and I/O hubs. Supports Thunderbolt Networking (*varies between different products).USB Type-C connector and cables which are compact and reversible.Thunderbolt™, USB, DisplayPort™ and Power Delivery over a single USB Type-C cable (*features vary between different products).USB Power Delivery - Up to 130W on supported computers.DisplayPort™ 1.2 – compatible with existing DisplayPort monitors, devices and cables.Thunderbolt™ 3 supports speed up to 40 Gbps.Thunderbolt™ 3 uses USB Type-C connector and cables - It is compact and reversible.Thunderbolt™ 3 uses a USB Type-C connector/port to connect to supported peripherals. Thunderbolt™ 3 brings Thunderbolt™ technology 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. What is Thunderbolt™ 3 (Thunderbolt™ over USB Type-C)? Thunderbolt™ 3 (using a USB Type-C connector) Thunderbolt™ 1 and Thunderbolt™ 2 (using a miniDP connector) 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).įigure 1: Thunderbolt™ v/s Thunderbolt™ 3 Thunderbolt™ combines PCI Express (PCIe) and DisplayPort™ (DP) into one serial signal, and additionally provides DC power, all in one cable. Thunderbolt™ (previously called Light Peak) is a hardware interface that combines data, video, audio, and power in a single connection.
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