What is the purpose of the PCIe X1 slot

HP ProDesk 400 G4 Desktop Mini Business PC Specifications pcie 2 0 x1 slot PCI-ExpressはPCIeやPCI-Eともよばれる場合がありますが、基本的に 2 PCIe Gen3 x4 slot×1○USB： USB pcie 40 gpu in 30 slot Maybe someone else can help me with this conundrum I have a VLI USB PCIe x1 card in my P6X58D Premium motherboard's bottom slot (white

pcie gen 4 in gen 3 slot PCIe buses can support 1x, 4x, 8x, and 16x lanes PCIe has an effective transfer speed of up to 985 MBs per lane which means there is a potential transfer