@dgarretson - the link to those 24V linear power supplies are just on the border of current requirements (5A). If you want a power supply with more current, you could look at one of these and ask them if they can make a 24V version. It would probably come out to be 24V at 7.5A of current.
https://www.ebay.com/itm/New-TeraDak-DC-12V-15A-linear-power-supply/323443214646?hash=item4b4eb7c936
https://www.ebay.com/itm/High-Power-300VA-DC12V-15A-Ultra-low-noise-linear-power-supply-HIF-LPS-L14-62/123782483364?hash=item1cd202cda4:g:kf4AAOSwX09cm51~
The Hi Power (Zerozone) power supply is a lot more expensive, but it looks like it uses Nichicon FG caps inside. The Teradak probably uses Panasonic hi temp (105 degree).
https://www.ebay.com/itm/New-TeraDak-DC-12V-15A-linear-power-supply/323443214646?hash=item4b4eb7c936
https://www.ebay.com/itm/High-Power-300VA-DC12V-15A-Ultra-low-noise-linear-power-supply-HIF-LPS-L14-62/123782483364?hash=item1cd202cda4:g:kf4AAOSwX09cm51~
The Hi Power (Zerozone) power supply is a lot more expensive, but it looks like it uses Nichicon FG caps inside. The Teradak probably uses Panasonic hi temp (105 degree).