What is PCIe , and how is it different from previous generations?

RTX 4090 into PCIe x8 slot pcie 5 0 x16 slot PCIe 5 is not useful at all rn at least for GPUs because no GPU has the performance that would need PCIe x16 but there are Ssds which need it pcie m2 slot 2 PCIe SSD solutions x16 Slot Supports new PCIe graphics or accelerator card 3

pcie4 slot PCIe has technically has been around for a while now with Intel Z690 motherboards, but the