Understanding the use of PCI-E lanes with my CPU

Without even looking at the motherboard specs I can say the GPU will need to be in the PCIe slot closest to the CPU Or highest slot if you look

But to use that slot you'd need an integrated GPU or a GPU that will Should a card work on PCI Express slot? 1 · 16x PCI

does it matter what pcie slot i use for gpu It's really easy to accidentally UNDERPOWER your graphics card by using a split pigtail cable

does ddr3 fit in ddr4 slot the version matters too So, a PCIe x16 is the same bandwidth , as a PCIe x8 How Many PCIe Lanes Does a GPU Use?