Setting width on calculated properties has no effect on output

I have the following simple PowerShell script:

get-process |
  format-table name, @{name='VM(MB)';width=50000;expression={$_.VM};alignment='right'}

However, when I was experimenting with the width parameter, I found that it does not have any effect on onscreen output. No matter what value I set it to, 5 or 50000 or any value in between, the result is exactly the same.

Am I missing something here? Thanks.