built-in device; internal device
Computing term for a device that is integrated into a computer or system, as opposed to an external peripheral.
This laptop has a camera and microphone as built-in devices.
You need to update the driver for the internal device.
外付け装置 refers to an external device connected via cable or wirelessly, while 内蔵装置 is built into the main unit.
Compound of 内蔵 (ないぞう, 'built-in') and 装置 (そうち, 'device, equipment').