I've got a poweredge t20 running unraid, and I got a 5th drive for it, as well as a startech 2 port Sata card.
My issue is though it only seems to read the 4 drives connected to the mobo. However in the bios the drive connected to the Sata card is listed as a boot device (s0) but doesn't seem to be recognized as a drive. Do I just have a defective card? I'd think not since it shows as a boot device.
I've seen people add more drives to these, and I think dell even says it can do 6 drives. So what am I missing? Do I need to update the bios or something? Says the last update was 2014 an