The VESA Standard defines the distance in millimeters between the four mounting holes on the back of a TV or Monitor (distance horizontally x distance vertically).
You can refer to the specifications of your monitor, ask the customer serise for this information or you can just measuring it. Locate the four holes in the back of your TV, you just need to measure these from left to right and top to bottom. Get the horizontal and vertical distances between the holes and that is the VESA size of your TV.
Explore our fully adjustable Single/Dual/Triple Monitor Mounts and TV wall mounts for most screens and VESA sizes.
For Monitors don't have VESA Mounting holes in the back, we have Universal Adapter to make the monitor become compatible with our mounts.