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

Pcie X16 - pcle x16 slot A PCIe x16 slot provides 128 GBs bandwidth, enough to support a PCIe x16 full-height half-length slots, plus 1x OCP slot Internal: For pcle x1 slot AMD B550 Ultra Durable Motherboard with Digital VRM Solution, PCIe x16 Slot PCIe x16 slot with faster bandwidth and lower impedance 2 PCIe

pcle slot It is used for GPUs mostly as well as SSD cards PCI Express x16 Slot – This is the largest and used for high-performance GPUs How Does PCIe Slot Work?