Will this work as an external bootable drive to run Catalina on my 2019 iMac?

I want to upgrade my 2019 21.5 4K iMac's internal hard drive but it looks very complicated and with some risks, so I thought I could format this drive and install Catalina on it and then install LightRoom and Photoshop and all the other programs I currently use and use it as my hard drive. Reason being is that my 5400rpm internal spinning hard drive is next to useless at running PhotoShop and Lightroom.

  • Asked by Jason C

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