The WD My Cloud EX2 Ultra NAS is a dual bay enclosure with HDDs, perfect for use with laptops and PCs. This external drive from Western Digital offers fast USB 3.0 connectivity and a sleek black design. It features dual drive capabilities, cloud storage integration, and a compact 3.5-inch form factor. With Ethernet interface support and a storage format of HDD only, this NAS unit provides reliable and efficient storage for your data needs, making it a great choice for those looking for a high-quality network attached storage solution.