I think this is the model I have. The SSD was easy to install. I was looking for a neat Time Machine solution and I found it in this. I can’t tell you anything about performance as I’m not using it intensively (for example, as a primary disk).
I do like the fact it gives me additional ports on the front - which I’m plugging low volume things - such as Raspberry Pi Pico’s - into. If I were constantly plugging and unplugging them I’d like the relative disposability of the dock more than I do.