Time to test some of the better laptops in my opinion. 23MBs second sounds like the speed of the card.
Bob
I purchased an ASUS T100 recently and it looks like it's not going to work out for me. My #1 requirement is to be able to QUICKLY transfer files from a microSD card to an external hard drive (using a Seagate Backup Plus Slim 2TB). With the T100 I'm only able to get to around 23MB/s regardless of the card I try.
Anyone know of a tablet which will allow faster transfer speeds from the microSD slot?

Chowhound
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