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After pe installation, there is still 2.0T unallocated space on the mobile hard disk.
Unallocated space can be divided into adjacent disk partitions. Dividing areas is very important.

If the unallocated space is large, you can create a partition. If it is small, you can extend the existing partition and use unallocated space.

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Mobile hard disk mainly refers to a small and portable hard disk memory that can be plugged in and out at any time by using USB or IEEE 1394 interface, and transmits data with the system at high speed. On the products with USB 1. 1 interface specification, it takes a long time to transmit a large amount of data. USB2.0, IEEE 1394, cSATA mobile hard disk interface is much better. The transmission rate of USB2.0 interface is 60MB/s, that of USB3.0 interface is 625MB/s, and that of IEEE 1394 interface is 50 ~1000 MB/s. Advantages of mobile hard disk: large capacity; Good compatibility, plug and play; Fast speed; Small size, small mass; Safe and reliable.