VIVO Adapter Solutions: This bracket is designed to fit only the following Asus models: VZ229HE, VZ229N, VZ239H-W, VZ249H, VZ249HE, VZ279H, VZ27AQ, VZ239HE, VZ279HE, VX228H, VX229H, VX239H, VX248H, VX24AH, VX279, and VX279Q -Patent Pending- Compatibility: Please check the model of your monitor before ordering!! Designed only for the above Asus models (does not fit MX series), this adapter is a mounting solution for non-VESA monitors, allowing them to fit 75x75mm and 100x100mm VESA mounts