Final answer:
The USB controller is a hot-pluggable device which can be connected or disconnected without shutting down the system, unlike network adapters, SCSI adapters, and graphics cards.
Step-by-step explanation:
The device among the options provided that is known for being hot-pluggable, especially in hardware version 7 or later, is the USB controller.
Hot-plugging refers to the ability to connect and disconnect devices to a computer while the computer is running, and having the operating system automatically recognize the change. Network adapters, SCSI adapters, and most traditional graphics cards are not typically designed for hot-plugging and require the system to be powered down before installation or removal.