On the other hand, external hard drive is usally connected via USB port, which is much slower in the past with USB 1.0 or 2.0 protocal.īut now, the difference is narrowed sharply because of high speed USB 3.0/3.1 data transfer standard. So it is best for running critical tasks. The major differences between internal hard drive and external hard drive is that internal hard drive is always connected with a high speed port to motherboard. By default, when you download something from the internet, it saved inside your internal hard disk unless you manually choose to save to an external drive. Internal hard drive is used to store operating system files and user data whereas, if you keep transferring the large files from one computer to another, then the external drive will work there.

In the other hand, external hard drive is a portable device that can be connected to a computer through USB 2.0 or 3.0 port. Difference betwee Internal HDD and External HDDĪs the name says, internal hard drive is inside your PC or laptop and is connected to motherboard directly via data cable with IDE, SATA, mSATA or M.2 NVMe interface. Install Windows 10 on External Hard Driveġ.

Difference betwee Internal HDD and External HDD

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