The docking station also has a built-in fan that keeps your drives running at an optimal temperature for peak performance and longer drive lifespan. With support for either USB 3.0 or eSATA host connections this versatile drive dock gives you the freedom to connect to your computer through either port. Because USB is available on virtually any computer you can rest assured that this docking station will work with your desktop or laptop. Plus the added benefit of eSATA ensures you can achieve SATA 6 Gpbs performance on computers with an available eSATA port. To ensure all your drives are supported the docking station features a sleek slot-loading design that supports both 2.5in and 3.5in drives. The docking station has also been rigorously tested for support with large capacity drives (tested up to 6TB). For optimal performance the docking station has a built-in 80mm fan that helps keep your drives running cooler. The fan offers variable speed control which enables you to make adjustments on the fly in order to reduce power consumption and noise when your drives aren't being accessed. With USB 3.0 the dock ensures high-bandwidth transfer speeds up to 5 Gbps. The USB host interface connection also supports UASP which delivers performance up to 70% faster than conventional USB 3.0 when paired with a compatible host controller.