The North XL ME has 2x dedicated 2.5" drive mounts, and 2x 3.5"/2.5" drive mounts included.
The combined 3.5"/2.5" trays can support both a 3.5" and 2.5" drive simultaneously:
The bottom of the case has multiple positions where the combined trays can be installed. The different positions gives support to different lengths of GPU and different size of front radiators:
