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

Which PCIe Slot is best for your Graphics Card? express slot Reference image for ticket usage Paper Basic Fare Ticket + Super Express Train ticket or Suica + Super Express expresscard slot Two types of PCIe slot on an Asus H81M-K motherboard Various slots on a computer motherboard, from top to bottom: PCI Express x4; PCI Express x16; PCI Express

express slot ASUS - TUF Gaming NVIDIA GeForce RTX 4080 SUPER Overclock 16GB GDDR6X PCI Express Graphics Card - Black · XFX