The OWC Mercury Elite-AL Pro 2 Bay Enclosure is a high-quality external hard drive enclosure that allows you to easily install and use two 3.5-inch hard drives in a single unit. With a capacity of 2 x 320 GB, this enclosure provides ample storage space for your files and data. The OWC brand ensures reliability and performance, making it a dependable option for expanding your storage capabilities. Ideal for professionals and enthusiasts looking to easily access and transfer large amounts of data.