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Traditional hard disk drives (HDDs), are electromechanical devices containing spinning disks and movable read/write heads. These mechanical discs are structured like an old record player. When information is needed the read head is moved to a spot on the spinning disk and the information is drawn from the disk as it spins.

SSDs storedata in non-volatile memory chips and contain no moving parts. In this structure information can be drawn immediately directly from the chip. Because SSDs have no moving parts they are much less susceptible to damage from physical shock, are silent, and have lower access time resulting in significantly higher performance. An SSD can be up to 10x as fast as the best modern hard drive for continuous file reads

For lower cost when large storage is needed, a user will load the operating system and applications on an SSD drive and files are stored on a regular mechanical HDD. If you have less mass storage needs or a higher budget, all the information can be stored on a larger SSD without the need for any mechanical drive.

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