What is PCIe x16 Slot

What is PCIe x16 Slot pcie x16 expansion slot hello everyone, I need a motherboard with at least 4 x16 pciei, i dont care about about pcie version I need to install four 10 gigabit pcie card pcieslot 20mm Spaced Slots:The 20mm slot spacing allows for easy installation and compatibility with PCIE extension cable adapters Computer Expansion SlotU 2 PciePCIe

pcieslot In ASUS 「PCIe x16 Slots - 4」

pcie 2 slot No, I don't believe it is It looks to me like pcpartpicker has assigned the Gigabyte wifi card to PCIe first, taking the top x16 slot; and then it doesn't know It is compact in size and has two Type-C interfaces and a PCIe x16 card slot on board Equipped with the sixth-generation Intel Thunderbolt JHL6340 main control