So recently I got a 8700k, 32gb corsair rams and a msi meg ace z390 for my new built. Everything goes pretty smooth except that I cannot get my motherboard to detect my samsung 850 evo m.2 ssd when mounted at the 3rd slot, the one with msi frozer shield. At first I thought it was a defective board, so I did an RMA with newegg and got a replacement. But again when I tried to mount it in the replacement board's 3rd slot, I got the same problem. My initial thought was that it's a BIOS issue, so I updated my BIOS and tried again, no avail... Could it be that the slot is reserved for NVMe ssd or optane only, since my ssd is sata, that's why it won't work in that slot? Any help would greatly appreciated!