Hello,

Yes, it works perfectly with a Samsung Galaxy Tab 4.
Just check the specifications of the device to get the answer:
Samsung Galaxy Tab 4 7.0 T230 (7", 8GB, Weiss)
I'd like to point out that the maximum size is 64gb, so you can't exceed that size for your SD card. :)

Sincerely,
N. Oliveira

Hello, sorry I can't answer you this article was not for me.