Here's three easy ways to find the VESA of your TV:
1. Search on Google: Locate the model number of your TV from the back of the TV or the manual. Then search the model number on Google to find the VESA pattern of your TV.
2. Owner's Manual: If you still have the owner's manual of your TV. You can find the VESA pattern under the TV's specifications section.
3. Measure: You can easily measure it on your own. You need to locate the four holes at the back of your TV. Next, measure the distance between the holes horizontally. Lastly, measure the hole space vertically in millimeters (mm). For reference, use the diagram for clarification. Now you have your TV's VESA.