The Lenovo ThinkStation Power Supply P520 P720 54Y8980 DELTA DPS-690AB is a high-quality power supply unit designed for professional use in computer systems. With a maximum power output of 690W and 8 Pin 12V connectors, this Delta-branded power supply is compatible with the Lenovo ThinkStation P520/750 model. It features a modular design for easy installation and maintenance, along with a cooling system that includes one fan to ensure optimal performance. This power supply is a reliable and efficient choice for powering demanding computing tasks.