A:Answer This would only be useable with an Xbox One via an external USB connection, such as the one I have attached, this will not fit inside the Xbox unit. The external enclosure and Seagate 3.5" drive become a little silly when you can get the green Xbox branded USB powered 2.5" drive for $100 each. The best option is a non-Xbox branded external USB powered 2.5" drive, as you save the extra charge for silly green plastic and an Xbox logo and get the same drive. I've put the links in this answer.
I stick with Seagate drives, as they have been the most reliable for me and my customers by far, Western Digital and especially Toshiba drives have embarrassed me with crazy failure rates, so even if there is a slight difference in price, I always recommend the Seagate option.
An external solid state drive (SSD) is a waste of money as the use case of the Xbox and the limits of the bandwidth of USB 3.0 would hardly justify the additional cost for a cost conscious buyer.
As a last bit of advice, move as much of your data as you can to the external drive (including games you play frequently), as even a USB 3.0 external drive is faster in original Xbox One consoles than the internal drive, I'm not sure if they fixed the oversight in the Xbox One S consoles, but I can tell you from my empirical testing that games load faster from the external drive than the internal drive on the original black Xbox One.
Hope this helps.
