The HP Pavilion Genuine 300W ATX Power Supply 5188-2625, ATX-300-12Z is a high-quality power supply unit designed specifically for HP computers. With a maximum power output of 300W and a cooling system featuring one fan, this silver-colored power module is compatible with the ATX-300-12Z model. It has 24 pin connectors and is ideal for providing reliable power to your computer system. Made in China by the trusted brand HP, this power supply is a dependable choice for maintaining stable system performance.