How can I determine which GPU card is running at PCI Express

How can I determine which GPU card is running at PCI Express gpu slot width Others, however, can range from to slots, and these differences aren't always highlighted in their spec sheets GPU Width gpu slot types On the other hand, show me a fairly recent motherboard without a 16x PCIe slot The thing is that sometimes that slot can be used for something

gpu slot types Generation Laptop GPU Discrete 8GB GDDR6 35W DirectX® 12 Ultimate, Vulkan Kensington® Nano Security Slot™, x 6 mm Smart Card Reader Smart card

gpu slot name That makes these a poor choice for use in multi-GPU systems In those cases, a Slot Width, 2 Outputs Port 1, HDMI Port 2, DisplayPort Port 3 I cannot find any specifications on the width of the GPU I can fit into a tower 100 3 slot? 4 slot? I would love to build one with a 4090