![]() ![]() Additionally, USB 4 connectors will also be compatible with Thunderbolt 3 and 4. There will only be Type-C versions of USB 4. The official name for this generation of USB is USB 4, without space in between the “B” and the “4.” However, people still generally type USB 4 when searching for information, so that is the way we will write it. If you want to read more about the differences between the USB 3.x connections, click here. They allow a phone, or other similar devices, to charge while plugged into a desktop even if the desktop is turned off. For example, Orange and Red connections are called “Sleep-and-Charge” ports. There are other colors that are featured in USB 3.x connections. USB 3.2 is the last planned USB-A port and with a USB 3.2 port, you could transfer data at 20Gbps. The USB 3.1 standards are generally teal-colored. Three years later the standards were updated to 3.1 standards which featured 10Gbs which was called SuperSpeed+. These USB connections are usually blue and feature speeds up to 5Gbps this was called SuperSpeed. The USB 3.0 standard was introduced in 2011. The USB-IF called this feature High Speed. These USB connections can provide data transfer speeds of up to 480Mbps. USB connections using the 2.0 standards are usually black but can also be white. ![]() Both of these units feature white and later black receptacles in the USB-A port. The USB 1.1 featured transfer speeds of 12Mbps. USB 1.0 was released in 1996 and had data transfer speeds of 1.5Mbps. If you are concerned about data speeds you need to pay attention to which generation of USB you are using. USB Speed StandardsĪll the different connector types have similar data transfer speeds. To get additional information about USB connectors and their uses, click here. Eventually, all devices will be connected through a Type-C port, if they need to be connected at all. Simply put, the extra pins allow the Type-C connection to transfer data and charge devices faster than the other types of connections. These pins have a lot of different functions and it would be very complicated to explain all of them. The Type-C connector has far more connector pins than the other versions. The USB-IF plans to have the Type-C connection replace the other connections in time. Although micro-USB connections were extremely common, it was replaced by Type-C, and micro-B ports are mostly found in devices released before 2015. They also had an OTG function that allowed them to have an adapter that connected other USB connector types. Micro-USB, or micro-B, connections were the main connection used in the first smartphones. Nowadays, some printers use a Type-C port, but most printers use WiFi or BlueTooth to connect to computers. However, a computer no longer needs to be connected through a USB. Larger devices, like printers or scanners, have Type-B ports. Type-B connections have a square boxy shape. Keyboards, mice, external hard drives, thumb drives, and phone chargers all commonly use a Type-A connection. The Type-A connection is the most common USB connection for connecting peripherals to your computer. They are flat and have a small colored portion called a receptacle, which is usually white, black, or blue. You have probably noticed that most desktops feature a lot of Type-A connections. The mini-A and mini-B were discontinued after the introduction of the micro-USB because the micro-USB was half the size of the mini variations but just as capable. Type-A and Type-B are broken down further into mini-USB and micro-USB subcategories. USB connections are broken down into types A, B, and C. ![]()
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