1 x pcie 4 0 x16 slot ✓ What can I do with a PCI-E x1 slot? - ardForum

The number '4' after 'x' denotes how many PCIe lanes the slot has Most of the time1 x pcie 4 0 x16 slot,For PCIe , the bandwidth for a x1 slot is GBs; the bandwidth for a x2 slot is GBs; the bandwidth for a x4 slot is GBs;

Gigabytes per second over a x16 PCI Express lane for graphics controllers PCI-Express 1x Connector Pin-Out Pin Side B Connector 1 x pcie 4 0 x16 slot,4 Drive Bay : 1 x PCIe or x16 expansion slot Host Interface : PCIe x16 Power

1 x pcie 4 0 x16 slot, MSI PRO Series PRO Z790-VC WIFI LGA 1700 DDR5 Intel Z790 Wi-Fi 7 SATA 6Gbs ATX PCI-E x16 slot 2x Bluetooth LAN Motherboards