An internal hard drive is a built-in storage device installed inside the computer case. It is used as the primary storage for files, applications, and all other data. It connects to the computer’s motherboard and power supply using serial or parallel ribbon cables. It usually has a storage capacity ranging from 20 GB to 400 GB.
Types of Internal Hard Drives
Kinds of Internal Hard Drives include the following:
Desktop internal hard drive
A desktop internal hard drive is installed in a drive bay in front of the computer case. It has a storage capacity ranging from 40GB to 400GB.
Laptop internal hard drive
A laptop internal hard drive is more compact than the desktop internal hard drive. It has a storage capacity ranging from 20GB to 100GB.
Choosing Internal Hard Drives (Buying tips)
Storage capacity: If you regularly work with large multimedia files such as video, music, and photos, choose an internal hard drive with a storage capacity of at least 40 GB.
Rotational speed: Choose an internal hard drive with a minimum rotational speed of 7,200 rpm. About 5,400 rpm will do for budget computers.
Seek time: Choose an internal hard drive with an average seek time of 12 milliseconds. The shorter the seek time, the faster the drive operates.
Data transfer rate: Choose an internal hard drive with a data transfer rate of 15 mbps or faster for quick file saving.
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