When shopping for electronic equipment, you may see various interface introductions. Among them, the description of round USB may include USB3.0, USB3.1, Type-c interface and so on. It brings identification difficulties to many ordinary consumers. Since the interfaces mentioned are all round-mouthed USBs, what is the relationship between them?
Simply put, it doesn't matter.
USB3.0 and USB3.1 are USB transmission protocols. What is specified is the speed of transmission and the power supplied. Type-c is an interface form, which specifies structural requirements such as shape, size, and times of plugging and unplugging. The two are not bound.
That is to say, USB1.1, 2.0, 3.0, and 3.1 can all use the Type-C interface. And USB3.1 with Type-A port is also possible. It's just that with the development of technology, it is generally believed that the Type-c interface on consumer electronics must use at least 3.0 and 3.1 transmission protocols.
At the time of purchase, you can directly see whether the interface is Type-C. As long as it is a round USB, it must be Type-C. This means that structure-related properties such as ultra-thin, double-sided plugging, and bidirectional transmission can be achieved. But in terms of transmission protocol, the difference between 3.0 and 3.1 is very big.
The transmission bandwidth of USB 3.0 is only 5.0Gbps, while the bandwidth of USB 3.1 is 10Gbps, which is twice the difference. And USB3.0 transmits 10 bits of data, which actually only contains 8 bits of "real data", and the bandwidth loss is relatively large. The actual load can only be 80%, and the encoding loss rate is 20%. While USB3.1 upgrades the encoding standard to 128b/132b, its actual load reaches 97%, and the encoding loss rate is only 3%.
At the same time, USB 3.1 has greatly increased the power supply standard of the interface to 20V/5A (limited to Type-A/B), which can provide 100W of power transmission capacity. The current of USB 3.0 is only 5V 3A, that is, the power transmission capacity of 15W.
Due to the lack of understanding of consumers and the deliberate ambiguity of merchants, when purchasing equipment, there will be a phenomenon that the same Type-C interface has a huge difference in performance. How to solve this problem? Products that clearly indicate that the interface is USB3.1 should be preferred. If there is no label, you should ask the merchant directly to avoid buying by mistake.
As the world's leading manufacturer of key connectors, TXGA has provided the industry with reliable, professional and stable connector products for more than ten years. The USB3.1 Type C connector developed and produced by TXGA supports the standard USB3.1 protocol and supports various installation methods such as through-hole welding, wire bonding, surface mount, and splint welding. The product is in stock, starting from one piece, and supports the return of standard parts within seven days without any reason. Purchase USB3.1 connectors and Type-c connectors and enter TXGA [Product Center].
