With the Vantec NexStar DX External 5.25" SATA Enclosure, you can easily add any 5.25" SATA Device to your existing system. The NexStar DX connects to your computer through USB 2.0, offering speeds up to 480Mbps and eliminating the need to open your system! The NexStar DX is perfect for anyone looking to add any 5.25" SATA device, such as a DVD burner, to a notebook or desktop computer. Because you don't have to open your computer, you don't have to worry about voiding your existing warranty or dealing with messy wires.The integrated fan and aluminum case also keep your device cool and operating at optimum conditions. The NexStar DX External 5.25" SATA Enclosure is the smart way to upgrade your computer.