5Pcs PCI Express 16x Slot PCIe x16 164 Pin Sokcet Straddle Mount

Sometimes, a PCIe slot operates with fewer data lanes than the mechanical slot-type indicates Notice 'SLOT 13' are PCIe x16 slots but only Slot 3 has an x8

if the slot is open like that, you should be good to go if it's not open, you could a) use another riser to adapt the x8 to x16, or b)

pciex16 slot PCIe x16: This is the largest PCIe slot with 16 data lanes PCIe x16 slots are associated with graphics cards and provide the highest bandwidth

hot slot_ 777 rubies slot yes you should have no issues if you connect to your bottom slot on the board, however just make sure your CPU has plenty of PCI-E lanes so