Intel Pentium II 350 MHz Compatible or Mac G3 Processor & Greater.Easy Installation Without Opening Your Computer.Hot-Swappable: Plug & Play Without Rebooting.Easily Add a 5.25” SATA Device to Any System with USB.The NexStar DX External 5.25' Enclosure is the smart way to upgrade your computer. The integrated fan and aluminum case also keep your device cool and operating at optimum conditions. 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 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' device, such as a DVD burner, to a notebook or desktop computer. With the Vantec NexStar DX External 5.25' Enclosure, you can easily add any 5.25' SATA Device to your existing system.