Amazon.com: 3M Under-Desk Computer Tower CPU Holder, Width Adjust from 3.5" to 9.3", Height Adjust from 12.5" to 22.5" to Fit Most CPU's up to 50 lbs, 360⁰ Swivel, Steel Construction, 17"
Amazon.com: CPU Under Desk Mount Bracket - Computer Tower Wall and Under Counter Holder, 360 Degree Swivel Adjustable Height and Width Wall-Mountable : Electronics