3.5" USB 3.1 Gen2

HDD and SSD drives are used for permanent storage of data on computers and laptops. But what are the differences between the two, and what are their advantages?

The capacity (size) of the hard disk determines how much data the disc can accommodate.  

Determines the way in which the hard drive is connected to the computer, namely the type of connector through which the drive connects to the device. Each type of connection is unique, and in most cases these connections are not interchangeable.