One vertical organizer is included with each rack (sold separately with 50U, 55U,58U & 70U). There are 8 locations to mount this vertical organizer (front/rear, right/left, and inside/outside). The organizer supports up to 4 power strips. Holes included for cable pass-through. Multiple wire tie points. Management bar is shared with adjacent racks. Every rack is designed to be coupled to one-another (same height rack).