WD Elements Desktop 18TB WDBWLG0180HBK-EESN Features: High Capacity in a Compact Design Improve PC Performance Plug-and-Play Simplicity USB 3.0 And USB 2.0 Compatibility WD Quality Inside And Out Specifications: Capacity 18 TB Interface USB 2.0 USB 3.0 Compatibility Formatted NTFS and compatible with Windows 10, Windows 8.1 or Windows 7 Dimensions (L x W x H) 135mm x 48mm x 165.8mm In The Box WD Elements hard drive USB cable AC adapter Quick Install Guide