Question - PCIE x8 into a PCIE x4

Pciex16 vs x8 vs x4 - Gaming test x8 slot This particular motherboard incorporates three PCIe x16 slots and four PCIe x8 slots for super fast speeds and versatile system dead or alive slot free 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)

slot bg jago PCIe x8 Gen expansion backplane with eight slots The OSS target backplane supports one PCIe Gen3 target adapter installed in the OSS target slot and up to