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With the increasing demand for digital storage of computer users will now find it find internal disk (HDD) Hard brief free space. One option would get an additional HDD or replace the existing hard disk with high capacity. There are portable hard drives available is the most common pen drives, available in sizes ranging from 250MB up to 8 GB. Pen drives are smaller in size and made of flash memory. They can be easily carried in your pocket. Data stored on pen drives access on any pc that has a USB connection, with the invention of the floppy disk pen drive that there has been a thing of the past. Pen drive although more reliable than floppy disks, they can easily get corrupted due to their delicate nature.

Well, so you’re not too busy thinking about what to consider when buying a portable hard drives, here are some pointers when shopping for a portable hard drive.

1. Capacity (maximum storage capacity of the file)
Portable hard drive storage capacity varies, ranging from 40GB to 500GB. But now also has a portable hard drive that offers capacities of up to 1.5 TB (terabytes). If you worked a lot with video and graphics files, we recommend choosing a portable hard drive with the largest capacity you can buy.

2. Spin speed of the hard
Disk spin speed is partly determined by the speed of data rate, and is expressed in RPM (rotations per minute). Generally, a portable hard drive spins at 5400rpm.

3. Large buffer or cache
the number represents the amount of memory buffer that is cached, or stored which can be handled by the drive while waiting for the next request from the system. Buffer sizes range from 2MB – 16MB. Larger buffers, more data can be stored and faster data transmission. But the bigger the box the size of the buffer on the hard drive is a portable, more expensive for the price of portable hard drives.

4. Recovery Features Pick a portable hard drive comes with backup and recovery features. This feature is useful plus your files will be damaged or corruption of data due to loss of electrical suddenly intake, or even a virus attack. Through recovery features, you will be Able to recover lost or damaged data.

5. PnP (Plug and Play) Ability Plug in the cable and portable hard drives can be used directly without need to install drivers or any software, so intent PnP. PnP capability is Necessary ESPECIALLY if you intend to use a portable hard drives on some computers – PCs in the office, net books outside the office, or notebook at home.

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