WD My Passport Ultra 4TB Blue 80000619 WDBFTM0040BBL-WESN Product Description: WD My Passport Ultra WDBFTM0040BBL - hard drive - 4 TB - USB 3.0 Type: Hard drive - external (portable) Capacity: 4 TB Hardware Encryption: Yes Encryption Algorithm: 256-bit AES Interface: USB 3.0 - USB-C Data Transfer Rate: 5.0 Gbps (USB 3.0) / 480 Mbps (USB 2.0) Features: Password authentication, automatic backup, NTFS formatted Power Source: USB bus Enclosure Colour: Blue Dimensions (WxDxH): 81.6 mm x 110 mm x 20.96 mm Weight: 230 g Localisation: Worldwide (excluding China, Japan) Manufacturer Warranty: 3-year warranty