Seagate Backup Plus 4TB USB 3.0 Hard Drives - Desktop External STFM4000100 Black Dimensions: 7.41 x 1.45 x 4.65 Weight: 1.76 lbs. Package Contents: Seagate Backup Plus Desktop drive 4-foot (1.2m) USB 3.0 cable Seagate Dashboard backup software Power adapter Quick start guide