Caution: Note the subtleties

So there are several cards from the "Extreme" series, which are not identical.

Here is a quick map of the UHS-I class (Class 3) with up to 60 MB / s write speed, the ideal suited for use in DSLR and video cameras, because it is guaranteed that the data quickly even when shooting written enough from the RAM of the camera on the map.

I've tested in a Sony Alpha 77 SLR in video mode and RAW files with a series of shots (150 pictures in a row). The card writes all files without problems swiftly away, so that there will be no interruptions or hangers.

I tested faster cards from SanDisk Pro Series and see for use in cameras in terms of speed in these much more expensive cards have no advantage.