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Mobile storage device is introduced

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1. The USB flash drive

USB flash drive that is people often say that the USB flash drive or USB flash drive, is a kind of semiconductor as a storage medium of data storage equipment, and is based on magnetic materials such as hard drives and floppy disks as storage media, this is the main difference between them.

Compared with other mobile storage, USB flash drive has the advantages of small volume and high reliability. USB flash drive just inserted into the computer USB interface can be used directly, flash memory chips to store data don't need voltage maintaining, consumed energy is mainly used for reading and writing data. Common flash drive has a capacity of 64 MB, 128 MB, 256 MB and 512 MB, etc.

2. The mobile hard disk

Mobile hard disk is a high-capacity mobile data storage devices, the volume ratio of USB flash drive, the capacity is much greater. The data storage medium and semiconductor material. Mobile hard disk to use USB interface to transmit data, common have 10 gb of storage capacity, 20 gb, 40 gb and 80 gb, etc.

USB flash disks and mobile hard disk

3. The activities the hard disk

Hard disk box installation activities drive is through the activities on the ordinary hard disk used as a mobile hard disk. Activity hard disk box towing bracket is generally installed in the chassis, when the hard disk to use activities in shutdown state will activities hard disk inserted into the disk shelf.

Activities, hard disk box through a cable attached to the motherboard and the power cord to connect hard disk box, again through the hard disk box hard disk of IDE interface connected to the box. Relatively speaking, this connection is not very convenient, and does not support hot plug. But also have the USB interface is the activity of the hard disk box, use the USB hard drive boxes, the connection is very convenient, but also support hot plug.

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