Hello everyone i wanted to add a SATA card to my system for more drive space 2 questions one does it matter which card i get and second will i need drivers or will Unraid install itself thanks
Avoid that card and ANY card with a Marvell chipset. They are problematic with later versions of the Linux kernel and are known to drop drives or not show them connected in the first place.
That card you linked is even worse because it has a port multiplier to get it to six ports in a x1 PCIe slot. This is too many ports for x1. In x1 you should generally not have more than two SATA ports in most cases.
Look for something based on ASMedia 1061/1062 (2-port), JMB582 (2-