Pcie version x4 slot vs x8 slot RX 6600

The specs table says, 1 x PCIe x16 slot, running at x4 Does this mean this x16 slots header only has 4 PCIe lanes?

x4 NVMe Support Rated Maximum Sequential Read 3500 MBps Rated Maximum Sequential Write 3000 MBps Terabytes Written Rating 440 TBW Warranty Length 5

x4d slot x4 slots, along with Thunderbolt 4, HDMI FRL, UHS-II SD card slot, and 100W PD fast charging for its 80Wh battery slot; Others

how to trick a slot machine to win Now compatible with Mac and Windows laptops, featuring 3-slot PCI-Express desktop graphic cards, 650W power supply, and charges via USB-C