Test disk speed in Linux: several options
You can test your SSD, HDD or USB easily with these command-line and graphical tools.
Table of Contents
hdparm
hdparm is a command to get or set SATA/IDE device parameters, but can also run benchmarks (read speed tests). Just add the parameters -t for testing device reads or -T for testing cache reads and the device name (it can be mounted or not). You need to run this command with superuser privileges.
hdparm -t /dev/sdb1
KDiskMark
It’s a graphical utility that can benchmark read and write speeds on mounted drives.
GNOME Disk Utility (GNOME Disks)
gnome-disk-utility is the main disk management tool in GNOME, and it can run read and write benchmarks on unmounted devices. Select “Benchmark Disk” on the three-dot menu.
Then, you can adjust the benchmark parameters and start the test.
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