Is there a way to check for sure what version of SATA on my laptop?

Question

I'm using a 8 years old laptop, lenovo G480.. according to the spec on the internet, it has SATA 300 interface, which should be SATA 2 or SATA 3 gb/s

However when I check in terminal with

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

sudo smartctl -a /dev/sda | grep SATA

it display SATA 3.0, 6 gb/s

so I'm wondering if it's detecting my SSD which is ADATA SU650 or do my laptop really do have SATA 3 or SATA 6gb/s interface.

thanks.

score 1 · Accepted Answer · answered Mar 06 '21 at 12:41

Check the system capability with

sudo dmesg | grep -i sata | grep -i ahci

and the current drive connection with

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

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