Linux Command To Find SATA Link Speed Such as 1.5 / 3.0 / 6.0 Gbps [ Hard Disk ]

dmesg | grep -i sata | grep 'link up'

dmesg | grep -i --color ahci
dmesg | grep -i ahci | grep -i --color Gbps

smartctl -a /dev/sda | grep "^SATA"
smartctl -i /dev/sdb | grep "^SATA"

hdparm -I /dev/sda | egrep "Model|speed|Transport"

https://www.cyberciti.biz/faq/linux-command-to-find-sata-harddisk-link-…

Subscrever sata