Internal storage drives are most commonly found in the form of hard disk drives.
These drives use non-removable media to store and retrieve data.
Internal storage drives also come in the form of removable cartridge drives, which can supplement a hard drive but don't usually serve as a replacement.
You should consider an internal storage drive if you want to increase your storage capacity.
If you plan to transfer files between computers that are not networked, it would be best to purchase a removable cartridge drive, so long as the destination computer has a drive of the same type.
Otherwise, if you do not plan to share files, it would be best to go with a hard drive because they are faster and generally cheaper for their capacity.
Internal storage devices can be found with either the SCSI or IDE interface.
SCSI storage devices are a usually much more expensive than their IDE counterparts, but they can transfer data faster.
The type of drive you buy (IDE or SCSI) should depend on what you would use the drive for and what components you already have.
If you already have other SCSI components, getting a SCSI storage drive would be better because data is transferred especially quickly between SCSI components.
If you do not already have SCSI components, an IDE drive would be better because they are cheaper and their speed should be sufficient for most applications.
If, however, you run storage intensive applications such as video editing software, a SCSI drive is definitely the best choice, regardless of whether or not you already have SCSI components.
A Phillips screwdriver and about 15 minutes of time are required to install an internal SCSI storage drive.
Click here for a list of links to internal SCSI storage drive manufacturers.