Usage of flash memory | |
---|---|
Introduced by: | SanDisk |
Introduction date: | 1991 |
Capacity: | 20 MB (2.5-in form factor) |
Original concept | |
By: | Storage Technology Corporation |
Conceived: | 1978 |
Capacity: | 45 MB |
As of 2024[update] | |
Capacity: | Up to 200 TB[citation needed] |
A solid-state drive (SSD) is a solid-state storage device. It provides persistent data storage using no moving parts. It is sometimes called semiconductor storage device or solid-state device. It is also called solid-state disk because it is frequently interfaced to a host system in the same manner as a hard disk drive (HDD).[1][2]
An SSD is often used as secondary storage to provide relatively fast, persistent, direct-attached storage in a computer.[3]
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