Things have changed in the past decade friend. (articles from 2010).
The answer is you can use both SAS and Sata. You can use an expander to greatly increase the number of attached drives. You can add aDAS as well. They’re rock solid and stupid cheap. Makes cable management a breeze overall. Why limit yourself to just SATA
TL;DR it’s almost all positives to use a SAS controller. Just make sure to use IT mode