# PCIe Source: [https://docs.qualcomm.com/doc/80-88500-4/topic/120_PCIe.html](https://docs.qualcomm.com/doc/80-88500-4/topic/120_PCIe.html) Peripheral component interconnect express (PCIe) is an interface standard for connecting high-speed components. It is a serial, point-to-point connection between two devices. For more information, see PCIe Software Reference Manual (80-NH717-30). **Parent Topic:** [Wired connectivity](https://docs.qualcomm.com/doc/80-88500-4/topic/100_Wired_connectivity.html) Last Published: Aug 18, 2023 [Previous Topic USB DWC3 driver](https://docs.qualcomm.com/bundle/publicresource/80-88500-4/topics/119_USB_DWC3_driver.md) [Next Topic Wireless connectivity](https://docs.qualcomm.com/bundle/publicresource/80-88500-4/topics/121_Wireless_connectivity.md)