Adjustable height standing desks and traditional desktop computers haven t always gone well together because of the CPU. You typically can t place it on the floor, and it takes up a lot of desktop space. The Stand Up Desk Store Adjustable CPU Holder | Under Desk Computer Mount solves this problem by providing a secure place to mount the CPU on the underside of the desk. Thumb screws offer easy, tool-free adjustment of the height and width to fit different sized CPUs, while generous padding helps protect delicate equipment. Robust steel construction with a durable powder coat finish ensures stability and durability. Mounts to most standing desk models using the included hardware. Accommodates CPUs from 5.25 to 9.25 inches wide, 15.5 to 19.5 inches high, and up to 30 pounds.