What does x4 bandwidth mean on a PCIe x16 slot?

Primary riser cage connector, connected to processor 1 or the southbridge PCIe 3-slot riser cage* PCIe 2-slot x16 riser cage 1

The latest proposed PCIe standard will increase this further Each PCIe slot carries either one, two, four, eight,

pciex1_1 slot A PCIe lane is a single data channel within a PCIe slot Introduced further doubling of data rate per lane compared to PCIe , providing higher performance

pcie slot width John_M If you're just using your GPU for mining, four PCIe lanes is more than enough Motherboards designed specifically for mining have only