The Neo PSU is a type of power supply unit designed for computer systems. It provides the necessary electrical power to components like the motherboard, graphics card, and storage devices. The Neo PSU is known for its efficiency and reliability, often featuring modular cables that allow users to connect only the cables they need, reducing clutter inside the computer case. Many Neo PSUs are certified for energy efficiency, such as the 80 PLUS certification, which indicates they convert a high percentage of AC power to DC power with minimal waste. This makes them a popular choice among gamers and professionals who require stable and efficient power for their systems.