What is the speed of pcie x8?

Riser with Two PCIe Gen3 FH slots One x8 and 1 x16 pcie 2 0 x16 slot New motherboards that support PCIe will continue to have x16 slots Those slots now have beefier capabilities, but they are still x16 slots and they are pcie cem slot 7PCIe slots Up to300Wauxiliary power One PCIe x4 gen 3 Apple IO card Four PCIe x8 gen 4 Two single height Two double height Two PCIe x16 gen 4 Double

pcieslot AMD Ryzen™ 7 7745HX, 8 Cores16 Threads & AMD Radeon™ 610M 2× 2280 SSD Slots PCIe X16 connector ×1