First card was defective

First card was defective

Komputerbay UHS-I SDXC 600X Secure Digital Extended Capacity 64GB Class 10 Flash Memory Card (50Mbps Writing, 90Mbps Read) (Accessories)
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Customer Review

Then I ordered a new one, because of the unbeatable price. It shows a read rate of 75 MB / s and writes so with 35 MB / s less than advertised ... As for reliability, I will provide an addendum in three months, it would be four star.

Addendum:
Ne, second card was no longer usable after a month ... does nothing, stay away.

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