Any of the above power supply units would be a great choice, but how are you to know which fits your needs the best? (thatvideogameblog.com)
On newer models this should be less of a problem as the USB ports are significantly improved and the units user bigger power supply units. (howtogeek.com)
You will usually need to buy a separate power supply unit which will set you back something like another $ 300 (# 265, $ 360). (techradar.com)