Very fast read and write

Of all card readers that I have been obsessed, this is the fastest. Well, the other reader were all USB 2.0 devices, but also so that you would have to USB 2.0 specifications good results, must achieve in velocity measurements. On my fastest USB 2.0 readers Logilink CR0011, I reached for a 64GB Sandisk Extreme 45MB / s SDXC a read speed of 30 MB / sec and writing 28MB / sec. In my new Transcend USB 3.0 card reader I reach at the same SDXC Sandisk SDXC 64GB, reading 43 694 MB / s and 41,946 MB / s when writing. The printed on the SDXC card 45MB / s are not quite achieved but I'm happy with the results. May be due to the card itself, too, that the 45 MB / s are not quite achieved, not the card reader.

I am not satisfied with the compatibility, because not all my SD card that I have described with the Transcend TS-RDF8K and can not be with software like H2testw and Crystal Disk Mark test.

It is a CnMemory SDHC 32GB Class 10
and just a memory card from the same manufacturer as my new USB 3.0 card reader, a Transcend SDHC 16GB Class 10 In my USB 2.0 card reader, Logilink CR0011, everything worked flawlessly with both cards. Of course, these maps also suggest reformatting about, Transcend TS-RDF8K will fail. If one tries to describe the two cards or test, the data structure is also damaged, and if data are available, some are a few of them destroyed.
When trying to format the Transcend TS-RDF8K, the CnMemory SDHC and the SDHC Transcend, unusable. Useful they will again until I then in Logilink CR0011, reformat animals.

By contrast, the Transcend TS-RDF8K that CnMemory SDHC and the SDHC Transcend, read without errors and that even with excellent speed. So probably as much as both cards give maximum, that is to say the 22 MB / s.

With all my remaining memory cards from Extrememory, A-Data, and Sandisk Memory Star, there were no problems in this regard. In all of these memory cards work properly on the Transcend TS-RDF8K, the read / write speeds are higher than on the Logilink CR0011. With some cards, the differences considerably higher and in some are only slightly.

On the whole I'm with the Transcend TS-RDF8K, fully satisfied and for the few who until now only two, memory card I use the Logilink CR0011 or if necessary even the built-in my PC Card reader, but not one of the fastest but even , oh wonder with SDXC cards can handle.