These wireless network cards fit inside a computer (PC / notebook / Laptop) and connect using either the PCI, PCIe, M.2, Mini-PCIe interface. These Wireless Adaptors allow the computer to connect to a wireless network without having to run a network cable to the system. Advanced features such as high bandwidth and encryption ensure both a fast and secure connection to a WiFi network. Always check your motherboards interface for PCI or PCIe to ensure you select the correct wireless network card adaptor for your requirements.