External SSD disk as a system drive

goranl1982 · Oct 2, 2014

Hi,

I was thinking of connecting an external SSD drive via eSATA cable to my computer and running a Win 7 installation with various programs on it. How would that work in practice? Could there be any system instabilities due to drive overheating in external enclosure? Any possible problems because of a Win 7 system already installed on the primary drive in the computer?

Thanks in advance.

Karsten75 · Oct 2, 2014

As long as the bios supports it there shouldn't be any particular issues. The boot sequence basically starts with the bios recognizing a master drive with an master boot record (MBR) where windows is stored and then calling the windows bootloader. Since windows has eSATA support and basically just abstracts the hardware as drive letters like C: it will just read the files off of the disk regardless of hardware interface.

Heat will not be an issue.

goranl1982 · Oct 2, 2014

Thanks for quick response. The reason for asking this question is that I already tried the same thing with an ordinary optical drive on this computer and was getting strange issues, like computer turning on in the middle of the night and displaying boot error message. Then I had to restart the computer, in order to successfully start the system after choosing the external drive form Win boot manager. Also, some Cad programs were running very slowly and unstable, which I thought could be because of disk overheating. I'm afraid that with a SSD drive, same thing would happen...

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External SSD disk as a system drive

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