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Test SATA Speed For All Disks in TrueNAS Scale

by Sep 11, 2025Coding0 comments

Just run this in Shell or SSH.

PowerShell
for disk in /dev/sd[a-z]; do
    echo "Checking $disk..."
    sudo smartctl -a $disk | grep -i "SATA Version"
done
PowerShell

It is the code I always use to check the link speed of my TrueNAS Server.

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