What exactly does the spec “PCIe x16 slot ” mean?

List of Motherboards with 3 PCI-Express x16 Slots: GIGABYTE B650 Gaming X AX V2, MSI X670E Gaming Plus WiFi, ASUS ROG Strix Z790-E Gaming WiFi II,

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pcie 30 in 40 slot I explain in this video what is PCIe x16 on the motherboard and its uses I also explain what

pcie x16 slot Slot power ; x1 cards are limited to A at +12 V and 10 W combined ; x4 and wider cards are limited to A at +12 V and 25 W combined ; A full-