Okay so I bought a pair of Transcend Ultimate 16GB SDHC UHS-I cards at work (the 600x/90mb/s ones not the 86mb/s ones).
Since they were quite cheap at work.
Anyway, first test out of the box, using the SD card reader built into my laptop (which does have a USB 3.0 bus, but I dont know if the card reader runs over that, or how good the card reader is).
CrystalDiskMark, 2 tests @ 1000MB
Sequential read 70.19MB/s Sequential write 37.42MB/s
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