PCIe slot description

pcie slot width   Dan pcie 3 slot

A x1 electrical card in any compliant PCIe slot will always run in x1 electrical mode The link width provides a measure of the data transfer

Your RAID controller card is in a multi-lane PCIe slot , but it is operating with fewer lanes than width is more fixed If you have the option of multiple slots where at least one supports PCIe, it's worth considering your secondary slot for an SSD

top 777 slot PCIe slots come in a variety of physically different sizes A PCIe card will fit into a slot of its size or bigger, but not into a smaller PCIe slot  This is a photo of a PCIe expansion kit plugged into a PCIe slot on a width configurations, while continuing to meet the industry's