Expansion Slots
Total PCI-E Slots: 3;1 x PCI-E x 16 (Gen5 x16 Link, switch to x8 link when slot B occupied), FH/HL,;1 x PCI-E x 8 (Gen5 x8 Link), HH/HL*;1 x PCI-E x 4 (Gen4 x4 Link), Proprietary R/A slot(optional for Intel X710 10G LAN card or PEI-1G/I210-2T/M,2 card)