Can a gen 4 fit into a PCIe X2 slot on a motherboard?

x2 slot   Dan 77 vip slot

slot in the dock Picture: usenadsx2 A microSD slot for memory expansion

slot in the dock Picture: usenadsx2 A microSD slot for memory expansion  PCIe x2 SATA USB USB HSIC SSIC Audio UIM I2C Socket 3: SSD Drive Socket with SATA or up to four PCIe lanes

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