The be quiet! Straight Power 11 750W Power Supply Unit is a top-of-the-line choice for powering your computer. With 80 Plus Platinum certification, it provides high efficiency and low noise levels. This unit is compatible with a range of voltages, including 115V, 120V, 230V, and 240V. It has a range of connectors, including SATA, 4 Pin 12V, 8 Pin PCI Express, and more. With a cooling system that features a single fan, this power supply unit is designed for reliability and stability. It is an ideal choice for anyone looking for a high-quality power supply unit that can handle the demands of their computer.