Based on this product's specifications, here are some alternatives and similar models
Brateck Multifunctional Mini PC Holder CPB-23 — VESA compatible, adjustable design
Summary description:
Brateck CPB-23 is a multifunctional holder for mini PCs featuring a VESA-compatible, adjustable design. It allows secure mounting of compact desktop units to the back of monitors, under desks or on walls where VESA mounts are available. The holder is intended to save workspace, improve ventilation and cable management, and provide a stable, space-efficient mounting solution for small form-factor PCs.