The Pop 2 Vision has a combined 3.5"/2.5" bracket supporting up to 1x 3.5" drive and 3x 2.5" drives simultaneously:

This bracket is screwed in to the rear side of the case with two screws, and slides down into place:

The Pop 2 Vision has a combined 3.5"/2.5" bracket supporting up to 1x 3.5" drive and 3x 2.5" drives simultaneously:

This bracket is screwed in to the rear side of the case with two screws, and slides down into place:
