Great

As described

SanDisk Extreme microSDXC UHS-I Review

The SanDisk Extreme microSDXC UHS-I is a memory card designed for tablets, smartphones and cameras that ships in capacities of 16GB, 32GB or 64GB and differentiates itself from other cards on the market with its robust performance.

Higher read activity performance than SanDisk quoted; Outperformed the Extreme Pro in three of four tested categories

Price point higher than lower performance 64GB microSD options

In the need for some more storage for your camera or want something a bit quicker? Tyler tells us all about two new SanDisk Extreme memory cards.

and so far so good. No problems whatsoever and has kept the same ...

This is really. really. fast. It is my main card in my DSLR (T3i) for more than a year now, and so far so good. No problems whatsoever and has kept the same blazing fast performance from day one.