LOGISYS PS550A-BK 550W 20/24-PIN BLACK DUAL FAN SWITCHING POWER SUPPLY NIB. Ready for use. OPEN BOX, BRAND NEW / LOOKS BRAND NEW.NEVER BEEN USED. This power supply from Logisys provides reliable and efficient performance for your computer. Its maximum power output is 550W and it is compatible with various voltage inputs, including 115V, 208V, 120V, 240V, 230V, 220V, and 110V. The cooling system consists of two fans, helping to keep your system running smoothly. The power supply has connectors for 20-pin, 24-pin, SATA I, and 20+4 pin, making it compatible with a wide range of computer components. This power supply is a great choice for anyone in need of a reliable and efficient power source for their computer.