How fast is USB 3.1? 700M per second is not a problem


In the case of continuous read-write speed measurement by CrystalDiskMark speed software, the read speed reached 781.2MB/sec and the write speed was 797.8MB/sec.
USB 3.1, the next-generation USB transmission specification, is often referred to as "SuperSpeed+" and will replace USB 3.0 in the future. And now, we can finally see how amazing it is in the real world.


In theory, USB 3.1 provides dual-signal transmission rates of 10Gbps, and the use of new 128b/132b encoding interviews further reduces the transmission loss rate. Converted to data, it is able to achieve 500MB to 1.2GB per second transmission. Of course, this is a very ideal situation. What about the actual situation?

Through the technical test report of ASUS Z97-A/USB 3.1 (ASUS provides the shell and drive), the read speed reaches 781.2MB/sec and the write speed is 797.8 when the CrystalDiskMark speed software performs continuous read/write speed measurement. MB/second, and in the USB 3.0 environment, only 446.5MB/sec can be read and 448.6MB/sec can be written. The difference is still very obvious.

Of course, if you want to achieve USB 3.1 transmission, you still need the full support of the motherboard and other hardware, 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. However, all-in-ones and notebooks that support USB 3.1 seem to have to wait for a while.

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