How to check Disk is SSD or HDD on Linux

In this tutorial, How to check Disk is SSD or HDD on Linux. Solid-state drives (SSDs) are fast, silent, and less prone to failure than traditional hard disk drives (HDDs).

• HDD store information on a rotating disk known as a platter
• SSD use flash memory to store and persist data.

Using lsblk command to check HDD or SSD

lsblk -o name,rota | tail

If you get a 1 then the disk is an HDD. A 0 (zero) on the column rota is SSD.

The output terminal as below:

Using the cat Command

cat /sys/block/sda/queue/rotational

If the result is 1, then the disk is an HDD. the output 0 ( zero) that disk is ssd.

The output terminal as below:

 

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