What are PCIe Slots in PC?

12th Gen Alder Lake Socket-S, Xe Graphics Dual 4K Displays HDMI® + DP , PCIe x16 + WiFi 6EBT + 2 PCIe Gen4x4 NVMe, Dual LAN + 6 Rear USB

A Small PC with open PCIe x4 expansion slot · Powerful Intel Core i7 Mobile Processor · PCIe Slot

pcie nvme slot PCIe Add-In Slots Menu Settings BIOS Setting Options FLR Capability Enable Disable PCIPCIe Slot Information Information only DescriptionPurpose Enables

pcle x16 slot 4 PCIe slot mini-tower PC - Windows 10 and 7 Support Also has 1 COM port with internal headers for 4 more