All available module design suffixes:

The suffixes for modules are connected with modules' height. It's very useful if you would like to make your modules' height the same.

You just have to put a suffix at a module configuration to get the specified module height. See here the screenshot:

_mod280 means that your module will be of 280 pixels high.

If you are going to mix suffixes, remember to put that suffix at the end, see an example: