Storage Capacity: 1 TBConnection Interface: 1 x USB 3.2 / USB 3.1 Gen 1 (USB Micro-B)Pre-Format: NTFSEncryption: 256-Bit AESInternal Interface: SATA (Unspecified)Type: Hard Disk DrivePower Source: USB Bus Power..

Capacity: 4TBInterface: SATA 6.0Gb/sRPM: 5400 RPMCache: 64MBForm Factor: 3.5"..

Capacity4 TBInterfaceUSB 3.2 Gen 1CompatibilityWindows® 10 or Windows 8.1 operating systems. Requires reformatting for other operating systems.Dimensions (L X W X H)4.22" x 2.95" x 0.75"In The BoxPortable hard driveSuperSpeed USB cableWD Discovery™ softwareQuick install guide..

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