Once it’s widespread, you won’t need different types of USB cables for different devices. With USB-C, there will just be one standard USB Type-C port for all devices.
#Usb 2 vs usb 3 wiring full
These are other smaller USB connectors that were used to connect USB Type-A devices (like laptops and chargers) with smaller devices (like smartphones) that had no room for a full USB Type-A receptacle. USB-C cables are smaller and eliminate the need for mini USB ports and the Micro-B connectors.
This works because, underneath the physical connection difference, USB is still compatible. For example, a USB-A device could be connected to a Type-A-to-Type-C dongle, letting you plug it into a USB-C port. You can always use a “dongle” that functions as an adapter. Type-A connectors that only support slower USB 2.0 or USB 1.1 speeds often (but not always) have black on the inside. USB Type-A connectors and ports that support faster USB 3.0 speeds often (but not always) have blue on the inside. Blue USB Connectors Are Often Faster The blue inside this USB Type-A connector indicates it supports USB 3.0 speeds (probably.) LDprod/ In other words, you can plug any USB Type-A plug into any USB Type-A port and it will “just work.” If the devices are different generations-if you plug a 20-year-old USB drive into a modern PC, for example-they may perform slower, but they will work. It will work at slower speeds, but that same USB Type-A connector lets you plug your device into almost anything. However, if you have a USB 3 device, you can still use that same USB cable to connect it to an old computer that only supports USB 2.0 or USB 1.1. if you have a modern computer that supports USB 3 and a modern USB device that supports USB 3, you can connect them with a USB cable that supports USB 3 speeds and get all the speed advantages. This longtime standard physical connection aids USB in backward compatibility.
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