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By PURPLELEC | 23 October 2024 | 0 Comments

USB Technology: An Evolutionary Journey Shaping the Future of Connectivity

  Back in the early 1990s, each device had a unique connection configuration and hardware requirements, and IT administrators had to manually configure devices and consult documentation to ensure compatibility. However, with the birth and development of USB technology, device connection has become simple and convenient today.
  USB (Universal Serial Bus) originated from IBM's initiative in 1992 and was jointly developed by Compaq, IBM, and Microsoft. In 1996, the USB 1.0 specification was introduced, enabling data transmission of devices such as mice, keyboards, and printers at a rate of 12Mbit/s. Microsoft provided USB 1.0 support in Windows 95, and Apple added USB 1.1 ports to the iMac in 1998, promoting the popularization of USB technology.
USB technology
  Subsequently, USB technology experienced a rapid development from USB 2.0 to USB 3.0. USB 2.0 achieved high-speed transmission of 480Mbps, while USB 3.0 supported rates of up to 5Gbps. During this period, USB ports also gradually became smaller, and USB 3.1 and different types of port specifications appeared.
  USB technology has not only changed the way computer peripherals are connected, but has also gradually become the preferred charging port for consumer electronics. From Mini-USB and Micro-USB to the introduction of USB-C, the functionality and power of USB ports have continued to improve, and now they can power products such as laptops.
  At present, USB technology has been iterated many times, with multiple versions and port types appearing. USB-A and USB-C are the two main connector types, of which USB-C is new, compact and reversible. The USB Implementers Forum (USB-IF) is a non-profit organization responsible for overseeing the development of USB connectors, hardware and software implementations to meet the needs of developers and manufacturers.
  In recent years, USB technology has become more complex, with versions such as USB 3.2 Gen 1 and Gen 2 coexisting. The latest USB 3.2 specification supports dual-channel communication up to 20Gbps and absorbs the previous USB 3.x specifications. At the same time, USB-IF also urges suppliers to clearly communicate product performance on the packaging so that consumers understand the speed and connector type of the device or peripheral they are purchasing.
  In addition, the USB 4 specification was released in September 2019, promising faster transfer speeds (up to 40Gbps), better audio and video control, and possible compatibility with Thunderbolt 3 ports. USB 4 products are expected to be available in late 2020 or early 2021.
  At Purplelec, we keep up with technological changes and implement new USB specifications in a timely manner. Currently, our products already support a variety of connection types, including USB 3.2 (USB-A and USB-C) and Thunderbolt (USB-C) connections. As new specifications are released, we will continue to launch products that support faster speeds to meet the needs of our customers.

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