The Vantec NexStar DX NST-536S3-BK USB 3.0 Blu-Ray CD DVD Enclosure is an external drive enclosure designed for easy connectivity to your computer. With a sleek 5.25 inch form factor and a black color, this unit is perfect for adding a CD/DVD/Blu-Ray drive to your system without taking up much space. The USB interface ensures seamless integration, making it a convenient and practical solution for your burning and playback needs. With the reputable Vantec brand behind it, you can trust in the quality and reliability of this external enclosure.