What is the difference between PCIe Gen 3 and PCIe Gen 4?

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

Also, my NVMe SSD was not working when put into the top NVMe Pci-e slot on my motherboard, but it worked when I put

candelas de los muertos senorita suerte slot Unfortunately second x16 slot on Designare will be by default assigned to that Quad NVMe card which is in the box (will use 8 NVMe drives, up

candy crush slot PCIe x16, 1 PCIe x16, 1 PCIe x1, 1 Key E for WiFi; Graphics Output Options: HDMI, DisplayPort, D-Sub; AMD CrossFireX™; CH HD Audio