Background of Hard Drives and SSDsA hard drive is a computer data storage device used to store and retrieve digital information using rapidly spinning disks coated with a magnetic material . A hard drive retains its data even when it is turned off. Data is read randomly; which means that individual blocks of data can be stored or retrieved in any order rather than sequentially. A hard drive consists of one or more rapidly rotating rigid disks with magnetic heads arranged on a movable actuator arm to read and write data to the surfaces. A solid state drive is a data storage device that uses integrated circuit assemblies as memory to store data persistently. SSD technology uses electronic interfaces compatible with traditional block I/O hard drives, allowing simple replacement in common applications. SSDs have no moving mechanical components. This distinguishes them from traditional electromechanical magnetic disks such as hard disk drives or floppy disks, which contain rotating disks and movable read/write heads. Compared to electromechanical drives, SSDs are generally more resistant to physical shock, operate quietly, have lower access time and lower latency. In my opinion, the structure of an SSD drive is very simple, but the comparison with a mechanical hard drive is not the same. level. SSD can speed up computer performance. It looks like your computer has an extra processor. A hard drive is cheaper and still has 500 GB to 1 TB of storage. How should we choose? I think it depends on how you use your computer. If you want your computer performance to be faster, you should use SSD. If you feel that your computer's performance is enough for you and you want more storage, you can use HHD. Speed: HDD has higher latency because the HDD is used in rotation...... in the middle paper......advantages and disadvantagesAdvantages of SSD: SSD is lighter than HDD, the size is still 1.8 inches and the weight is 20-30 grams, low noise at work, no noise has not too many mechanical parts so just a little heat, fast heat dissipation. Disadvantage of SSD: the price is very expensive and the capacity is lower than that of hard disk. My Experience with SSD If you want to buy a new laptop to replace a desktop computer and you need to choose whether to install an SSD or HDD. At the same time, you still use a portable hard drive. You may have a question: should you install an SSD or use the traditional HDD? If you choose to install an SSD, what size is best for you? My suggestion is that if you are using a portable hard drive, you can install a 128 GB SSD. Remember the SSD only for your software, another data saved on your portable hard drive. This will improve the efficiency of your computer.