The best I could find ...

Unfortunately I could only find 2 USB 3 card reader in USB stick format, this and Transcend.
The Transcend overheated very quickly, according to statements of many buyers and adjusts his service. Therefore, and because I'm already since ancient years in possession of Hama USB 2 card reader (SD card) and he has not left me to this day in the lurch, I also once again decided this for Hama.

So far, I can report the following about this card reader:

He is very visually appealing.
Well finished, nothing to complain about!
He is also pretty hot, but thanks to the top and bottom made of aluminum, the heat is dissipated well.
Extremely fast!

I have tested with multiple SD and micro SD cards, but only write. With a Class10 Micro SD Samsung I could write crisp 67MB / s notice, although Samsung only "up to 40MB / s" indicates. With an SD (Class10) from Samsung and identical information to read and write, I had unfortunately only 27MB / s, something sobering, but probably nothing to do with the card reader. With SD, class 0 (so old because there was this information not yet ^^) I could some MB / s get more out than with my old USB 2 card reader!

The cards relatively difficult, have always good contact and after use are no marks on the contacts visible!

So I am very happy and even though he lived as long as my old USB 2 I will time customer of Hama!