This is a portable SSD which offers very fast read and write performance. Drive capacities are quite limited though.
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Pro USB 3.1 type C
The USB 3.1 standard allows for theoretical speeds up to 5Gbit/s, and the Type C port is reversible and more durable than previous USB standards.
Pro Very fast data transfer speeds
In the real world, write speeds of 298MB/s and read speeds of 364MB/s can be achieved (Samsung claims 450MB/s).
Measuring in at just 74x58x10.5mm, and weighing just 51g this is a very portable storage device.
Being an SSD, it will be more expensive than traditional hard drives. It makes up for this by offering very fast data transfer speeds, but if you are just using it to store pictures and videos then you won't benefit from the added speed at all.