YK840 Dell 275-Watts Power Supply for OptiPlex 620 745 755

YK840 Overview The Dell 275-Watt Power Supply is designed to deliver reliable and efficient power to Dell OptiPlex 620, 745, and 755 desktops. With a 275-watt output, this power supply ensures stable and consistent energy for critical system components, including the motherboard, storage devices, and peripherals, supporting smooth and uninterrupted performance. Built to meet Dell’s high standards for durability and efficiency, the YK840 is an ideal choice for replacing an old or faulty power supply, offering easy installation and long-lasting reliability.