What is PCI Express? Do PCIe lanes, slots, and versions matter?

x4 configuration which provides a quarter of the bandwidth of x16 slots Seagate FireCuda 530 Heatsink WiFi & Bluetooth Network Cards

PCIe generation testing has always been a hot topic for GPU launches, but this time, it's

pcie m2 slot After a quick Google search, I found this article which explains that: a PCIe x16 slot can theoretically hit approximately 32 gigabytes

pcie 40 in 30 slot PCIe boards can fit into slots designed for their lane configuration or higher Plugging a x4 PCIe into a x16 slot is acceptable