I have an SSD mounted in an external enclosure and it was installed as a Windows to Go workstation. The external enclosure has a VL716 chipset and the connection to the PC is done via an USB Type-C cable from the enclosure to USB 3.0 type A.
Windows however shows the following picture (disregard the Iomega drive, that has an HDD inside):
So it's not recognizing the drive as an SSD, the correct picture would be like this:
That was when the SSD was mounted directly to a SATA port of the machine. Wondering if it had something to do with the enclosure I changed it to another USB 3.0 one that uses a different chipset, this time is a JMicron one; but to no avail.
Interestingly, TRIM commands do make it to the disk with both enclosures when issued via PowerShell for example:
Optimize-Volume -DriveLetter D -ReTrim -Verbose
But since Windows doesn't identify it as an SSD I fear it'll try to defragment the drive instead of just issuing a TRIM. I could disable the weekly or daily optimization of Windows and set up an scheduled task to issue TRIM manually but I would rather know what Windows does or how it recognizes SSDs, maybe there's a bug that needs to be reported or I'm missing a step but the Windows to Go installation was performed officially (i.e. not using third party tools) and directly into the SSD, it wasn't cloned.
I apologize for the long read, but I wanted to give you as much details as possible, and if something is missing just let me know to amend the question.
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