Transcend All-in-1 multi-card reader (SDHC / SDXC / MSXC, USB 3.0) Black (Personal Computers)
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