The Intel(R) E723030003010 PCI Express Root Port - 2779 is part of the PCI Express (PCIe) Root Port drivers, which are used to enable the communication between your operating system and PCIe devices connected to the motherboard, such as graphics cards, network adapters, and storage controllers.

This specific driver is part of the chipset driver package for Intel-based motherboards, typically from Intel's PCH (Platform Controller Hub) family. The number "2779" refers to a specific PCIe root port on the chipset. Each root port connects to multiple PCIe lanes, which in turn provide bandwidth for devices connected to the system.