By PURPLELEC | 03 June 2024 | 0 Comments
Features of each version of USB interface
Over the course of the development of the USB interface, multiple versions have emerged, with significant differences in performance, transfer rates, and functionality.
USB 1.x
USB 1.x is the earliest USB interface version, including USB 1.0 and 1.1. Their transmission rates are 1.5Mbps (low speed) and 12Mbps (full speed) respectively. The advantage of this version is that it has better compatibility and can be adapted to many early devices. However, the transfer rate was relatively slow and it was gradually replaced by subsequent versions.
USB 2.0
USB 2.0 was released in 2000, with a transmission rate of up to 480Mbps, and is called "High-Speed USB". It is backward compatible with USB 1.x, greatly improving data transfer speed. USB 2.0 is widely used in various types of devices, such as keyboards, mice, printers, etc. However, with the development of technology, the transmission rate of USB 2.0 can no longer meet the needs of many high-speed devices.
USB 3.x
USB 3.x includes USB 3.0, 3.1, 3.2 and other versions, with transmission rates of 5Gbps, 10Gbps and 20Gbps respectively. This version is called "SuperSpeed USB" and features higher transfer rates and better power consumption control. It is backward compatible with USB 2.0 and 1.x and can be adapted to various devices. However, the cost of the USB 3.x interface is higher, and the transmission speed is limited by device performance.
USB 4
USB 4 is the latest USB version with a transmission rate of up to 40Gbps and supports multiple protocols, such as DisplayPort, PCI Express, etc. It has more powerful functions and faster transmission speeds, and can meet the needs of various high-speed devices. However, USB 4 currently only supports some high-end devices, and its popularity is limited.
To sum up, the newer the version of the USB interface, the higher the performance and transmission speed. If your device needs are modest, USB 2.0 may be a cost-effective and practical option. However, if you need to handle large amounts of data or connect high-speed devices, USB 3.x or USB 4 will be a better choice. It should be noted that different versions of USB interfaces have differences in transmission speed and functions, but they have certain downward compatibility. So, be sure to fully consider your device needs and budget when choosing the right USB version.
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