PCI Express x4 network card into PCI-Express x16 slot?

Replacing PCIe x16 slot pci e x16 slot Pci Upgrade your PC with our PCIe 16x GPU slot, featuring a robust 164-pin straddle mount design and slide lock mechanism for secure, pciex16 slot You can install PCI Express slots in larger slots but not smaller ones For example, you can install a PCI Express x1 adapter into an x16 slot (but will still

pcie slot function SuperSpeed Storage：PCIe x4 Connector; EZ-Latch：PCIe x16 Slot with Quick Release Design; Fast Networks：GbE LAN; Extended Connectivity：DP, HDMI; Smart