The PS5 can be set up either horizontally or vertically using the included base, which converts by rotating the arm clockwise or counterclockwise.
PS5 Vertical Or Horizontal? What's Better?
Sony recommends using the PS5 plastic Base for both Horizontal and Vertical set-ups. Do you?
How to Set Up a PS5 Horizontally or Vertically
PS5..Are you horizontal gang or vertical gang ??? : r/gaming
Vertical & Horizontal Stand Holder Mount Base For PS5 Digital Edition Console
PS5 Stand positions - How to attach the stand vertically or horizontally and find the screw for the PlayStation 5 explained
PS5 cooling performance won't be affected by vertical or horizontal positioning
PS5 Stand Setup (Horizontal and Vertical)
PS5 Standing Up or Lying Down: Optimal Positioning for Your Console - GadgetMates