U disk and mobile hard disk two compared to then, certainly is the mobile hard disk life is more long, due to the U disk can be carried around, easy to appear easy to fall bad situation, so the service life is relatively short.

Mobile hard disk, mainly refers to the use of USB or IEEE1394 interface, can be plugged in or unplugged at any time, compact and portable hard disk storage, can be higher speed and system for data transmission. On the USB1.1 interface specification of the product, in the transmission of larger amounts of data, will test the patience of the user. And USB2.0, IEEE1394, cSATA mobile hard disk interface is relatively good a lot. USB2.0 interface transfer rate is 60MB/s, USB3.0 interface transfer rate is 625MB/s, IEEE1394 interface transfer rate is 50 ~ 100MB/s. Advantages of mobile hard disk: large capacity; good compatibility, plug and play; fast speed; Small size, small mass; safe and reliable.

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