PCIEx16 drops to x 8 when M2 SSD is installed???

2 x DIMM DDR4-2400 Slots 3, SATA3 Connectors 4, PCIe x16 Slot 5, Header 6, HD Audio 7, Super LAN Surge Protection 8, GbE LAN 9, HDMI

This PCIe x1 to PCIe x16 Slot Extension adapter provides enhanced compatibility between motherboards and a variety of PCI Express expansion cards, allowing

pciex16 slot configuration The system also provides extensive functional expansion options, including one PCIe slot slot MAXER

server nexus engine slot MOBO and GPU compatibility warning One additional PCIe x16 slot is needed