WD Elements Portable 5TB WDBU6Y0050BBK Features: USB 3.0 and USB 2.0 compatibility Fast transfer rates Improve PC performance Massive Capacity In A Small Enclosure WD Quality Inside And Out Specifications: Capacity 5 TB Interface USB 3.0 USB 2.0 Compatibility Formatted NTFS for Windows® 10, Windows 8.1. Dimensions (L x W x H) 4.35" x 3.23" x 0.83" In The Box Portable hard drive USB cable Quick install guide