The Genuine Dell Slim Charger Adapter Alienware 240 W is a high-quality designed specifically for Alienware and Dell laptops. With a voltage of 19.5V and an output current of 12.3A, this black adapter is compatible with the Dell XPS 17 9710 and other models in the Dell XPS product line. This unit is a genuine product from Alienware, ensuring reliable and efficient power delivery for your laptop while on-the-go.