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USB3.1 theoretical transmission speed
The USB 3.1 standard was released in July 2013. The maximum theoretical bandwidth doubled compared to USB 3.0, reaching 10Gb/s (Super Speed+). USB 3.1 encoding has changed from 8b/10b of USB 3.0 to 128b/132b. The bandwidth loss rate has dropped sharply from 20% to about 3%. After the conversion, the bandwidth also exceeds 1.2GB/s. This also means that it is actually used. The USB 3.1's limit transfer rate is expected to approach 1GB/s. 
USB3.0 interface
USB3.1 actual transmission speed test
Test Conditions: 
Hardware test platform 
Software Testing Platform
Test Methods:
In order to test the actual speed of the existing USB 3.1 interface solution, we used the three commonly used memory device speed measurement softwares of CrystalDiskMark, AS SSD Benchmark, and Atto Disk Benchmark to test and use the same external device to connect to the native USB 3.0 interface. The transmission speed, look at the existing third-party USB 3.1 program, how much better than native USB 3.0.
1, CrystalDiskMark software performance testing
CrystalDiskMark software is a compact tool for testing hard disks or storage devices. The simple and easy-to-use interface allows you to test the storage device at any time. You can select the test storage device size and test number. Test 1000 MB of data here, access results in sequential mode. 
In the CrystalDiskMark test, the device achieved continuous read and write speeds of 667MB/s and 620MB/s through the USB 3.1 interface, exceeding the speed of the native USB 3.0 interface by more than half.
2, AS SSD Benchmark data transmission test
AS SSD Benchmark is a dedicated SSD benchmark performance test. Its test content is comprehensive, including four aspects of the test (sequential read and write, 4K random read and write, 64 thread 4K read and write, seek time). 
In the AS SSD Benchmark test, the continuous read and write speeds under the USB 3.1 interface were 700 MB/s and 666 MB/s, respectively, similar to the results of the CrystalDiskMark, which is also significantly ahead of the native USB 3.0 interface.
3, ATTO Disk Benchmark performance test
ATTO Disk Benchmark is an easy-to-use disk transfer rate detection software that uses data test packets of different sizes. The data packets are read and written by 0.5K, 1.0K, 2.0K up to 8192KB, and the data is used after the test is completed. The expression of the histogram is a good illustration of the effect of different file size ratios on the speed of the disk. This test selected from 4KB to 8192KB packet read and write tests. 
The USB 3.1 interface still performed very poorly in the ATTO Disk Benchmark test, reaching even 760MB/s and 710MB/s in the 8192KB packet read/write test. The native USB 3.0 interface also achieved very high bandwidth utilization, with writes approaching 460MB/s, but reads were less impressive at speeds of only 355MB/s.
Results: It can be seen from the above tests that even though there is still no native USB 3.1 support, the highest access speed of a third-party USB 3.1 solution is still higher than that of native USB 3.0 to 60 compared to native USB 3.0. More than %, the overall performance did not disappoint us, but it cannot be used as the real strength of USB 3.1, because the third-party solutions at this stage have not yet reached a very perfect stage in hardware and software.
USB 3.1 Development Status and Trends
In the above we mentioned that USB 3.1 has three connection media, namely Type-A (Standard-A), Type-B (Micro-B), and Type-C.
Today, in order to achieve the development of USB3.1, full support for motherboards and other hardware is needed, but some retailers have begun to sell, such as Asustek released 14 models of USB 3.1 motherboards, MSI, Biostar and other manufacturers have also followed suit. . The strength of the Apple laptop will also greatly promote its development, but compared to this, the upgrading of the mobile phone and tablet may be faster to promote the progress of USB 3.1 development.
The appearance of USB3.1 Type-C interface will play a very important role for mobile devices. From the current point of view, Type-C in USB3.1 is most likely to become the future connection standard, providing data transmission, peripheral connection , Display output and other integrated connection solutions.
It is reported that in 2017 the EU will force all mobile devices to be unified as a USB 3.1 interface. In addition to the USB3.1, the mobile phone and tablet will be fully popular next year, and this technology is also supported by Intel, Google, Microsoft and Apple.
The new MacBook made people aware of the USB Type-C interface, and also let everyone see the future development of the device, in the coming days, USB3.1 Type-C devices will continue to be available. The USB Type-C interface will undoubtedly become commonplace in the next few years, eventually replacing USB 3.0 as USB 3.0 replaces USB 2.0.
USB3.1 transmission speed in the end how much faster contrast USB3.0
Sofa Butler Technology The USB 3.1 interface specification was born in 2013 and is divided into three types of connection interfaces: Type-A (Standard-A), Type-B (Micro-B), and Type-C. In particular, motherboards that provide an extension interface for traditional host-side devices are the most active. How fast is USB3.1's transfer speed compared to USB3.0 and USB2.0? Let's take a look together.
Left USB 3.1, Right USB 3.0
Left USB 3.1, Right USB 3.0
Left USB 3.1, Right USB 3.0
Type-A is also the most widely used USB Type A interface for computer connection; Type-B is the above Micro Type B interface, which is mainly applied to smart phones and tablet computers; and Type-C is mainly for thinner and lighter devices. , A more slender device (in the future may be unified interface of the mobile phone tablet, replacing the Micro USB interface).