The WD My Cloud EX2 Ultra 24TB is a ready-to-use NAS for at home or the office. This model has 2 hard drives of 12TB built in by default, so you have a total storage capacity of 24TB at your disposal right away. That means you can store 2400 Full HD movies or 2.4 million photos in your private cloud. The extensive data protection ensures that you can safely store sensitive information. You can also stream movies and series to your TV, smartphone, tablet, or laptop via Plex. The WD My Cloud EX2 Ultra has a processor with 2 cores and a clock speed of up to 1.3GHz, so you can perform multiple simple tasks at the same time with this NAS. For example, you can easily watch a video on your phone while someone else edits a spreadsheet. With the My Cloud app, you can also access your files on the go from any location. Via the 2 USB 3.0 expansion ports, you can also connect an external hard drive or USB flash drive to your NAS. That way, you can easily make backups.