With the development of notebook performance, most users are now willing to use the notebook as the main machine, but the capacity of its built-in SSD is generally limited to about 256GB. A reliable mobile storage device has become one of the indispensable standard configurations. With the rapid popularization of USB 3.1, it seems that the reading and writing speed previously feared by users has been solved. For example, SanDisk just released by Sandi Extreme Pro USB 3.1 Solid State Flash drive。 Based on the USB 3.1 gen1 protocol (5Gbps), its maximum reading and writing speed can reach 420MB/s, and its writing speed can also reach 380MB/s. From the reading and writing performance, it can compete with most SATA3 SSDs. The current price is 256GB179.99 dollars, equivalent to about 1200 yuan. It will be available on Amazon in January, and your favorite friends can't miss it.

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