PCI Express x16 vs x4 , Any difference in gpu performance

If you have the option of multiple slots where at least one supports PCIe, it's worth considering your secondary slot for an SSD upgrade When combined with

Ultra Durable™ SMD PCIe x4 Connector The first PCIe x4 Slot supports the latest 25110 form factor Reinforced PCIe connectors

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

tes of olympus slot Two types of PCIe slot on an Asus H81M-K motherboard Various slots on a computer motherboard, from top to bottom: PCI Express x4; PCI Express x16; PCI Express