How To Find Hard Disk SATA Link Speed On FreeBSD

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To find the SATA link speed of a hard disk on a FreeBSD system, you can use the following steps:

  1. Open a terminal window.
  2. Run the following command to view information about the storage devices attached to the system:
dmesg | grep SATA
  1. Look for the line that contains the information about the hard disk you’re interested in. For example:
...
ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
ada0: <Seagate ST31000528AS 3.AAC> ATA-7 SATA 3.x device
ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
...

In this example, the SATA link speed is indicated as 300.000MB/s, which is the speed of SATA 2.x.

Note that the SATA link speed is dependent on both the hard disk and the SATA controller. The actual link speed may be different from the specified speed.

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