Super fast data grave for the Surface Pro 3

Until yesterday it was unclear whether the UHS-I card from Samsung will really be of benefit.
On the Internet, unfortunately, you will not find information about where the maximum read / write rates of the built micro SD slots on the Surface Pro 3 are.
Now I have received the device and would recommend this card fully.
The slightly higher price compared to other cards is definitely justified. The specified read and write rates are of course not achieved, but are well above what I expected.

Using a dummy file, I tested the speeds. The built-in SSD reaches around 150-250 MB / s, so that the micro-SD card should be copying the bottleneck.
The result I have uploaded and I write even a look.
Important Note: I have a 64 gigabyte model, in which the official maximum of 80 MB / s can be specified.
Results:
Writing to the card: 10 GB - file @ 64 MB / s
Reading the map: 10 GB - file @ 78 MB / s
Even a large amount of small files (about 2600 pieces with 1 GB total size) were copied in a few moments.

These values ​​are really possibly surpass good and with other devices yet.
Therefore, 5 star (though you would have to pull off for the gruesome packaging almost a point ...).

Tip:
If you want to create a test file in a few moments, can do it very quickly under Windows:
1. Open Console (Windows key + R or the Start menu, enter "cmd")
2. Enter the command "fsutil file createnew Test Dummy 10000000000" (creates a 10 GB file named "test dummy")
3. Press Enter to quit console. The test file can be found in the path, which was displayed in the console.