The Advance BX-2519 enclosure is designed specifically for 2.5-inch SATA hard drives. With a USB 2.0 interface, the BX-2519 by Advance supports transfer rates as fast as 480 Mbps, for reliable, high-speed data back-up. Theres no need for power cables with the Advance BX-2519: juice is drawn directly from your device via the two USB ports.