# VESA

## Overview

VESA is a standard for mounting displays on various surfaces, stands, or arms.

It is relevant for pen displays because they are essentially monitors. Many people want to mount them the same way.

## Availability

Not all pen displays support VESA mounting.

* 13" and smaller - It is very rare for them to support VESA.
* 16" - Most do not, but a few do.
* 20"+ - Very common. As far as I know, all pen displays at 20"+ support VESA.

## Implementation

VESA support usually means there are 4 holes in a rectangular pattern on the back of the pen display. The distance between the holes depends on the size and weight the mount is meant to support.

The hole patterns are usually specified by the distance between the screws. For example, `100 x 100 mm`. These patterns also have names such as `FDMI MIS-D`, but almost nobody uses them.

<table><thead><tr><th width="187">VESA Standard</th><th>Hole Pattern</th><th>Screw Size</th></tr></thead><tbody><tr><td>FDMI MIS-B</td><td>50 x 20 mm</td><td>M4 x 6 mm</td></tr><tr><td>FDMI MIS-C</td><td>75 x 35 mm</td><td>M4 x 8 mm</td></tr><tr><td>FDMI MIS-D</td><td>75 x 75 or 100 x 100 mm</td><td>M4 x 10 mm</td></tr><tr><td>FDMI MIS-E</td><td>200 x 100 mm</td><td>M4 x 10 mm</td></tr><tr><td>FDMI MIS-F</td><td>200 mm increments</td><td><p>M6 x 8 mm or 10 mm</p><p>M8 x 15 mm</p></td></tr></tbody></table>

For pen displays, the most common pattern is `100 x 100 mm`.

## Screws

Note that different hole patterns use different screws. For the `100 x 100 mm` pattern, the screws are usually `M4 x 10 mm`. Some devices use different screws, especially with `FDMI MIS-F`. If you are not sure, contact the manufacturer for the correct screw size.

## Resources

* [Ergotron - VESA standard](https://www.ergotron.com/en-us/support/vesa-standard)


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