The Avastor HDX has set the standard for external storage devices used by Audio and Video professionals around the world. Recommended not only by content creators, the HDX is also recommended by hardware and software manufacturers for use with their applications. Through rigorous testing, only the most reliable 3.5-inch internal hard drives are combined with the best chipsets to provide a professional grade product in a compact device. The HDX includes a built-in silent fan to ensure that your drive stays cool. An internal power supply eliminates the need for an inconvenient wall adapter and makes for an easy setup. The HDX Pro includes an industry-leading 4 year warranty.