Digital Storage Capacity: 4 TB Hard Disk Interface: USB 2.0/3.0 Connectivity Technology: USB Brand: LaCie Features: Abrasion Resistant Hard Disk Form Factor: 2.5 inches This product is a global package product. The package and manual are written in multiple languages, including Japanese. Supports USB 3.0 standard, which enables data transfer speeds more than 10 times faster than USB 2.0 (up to 5 Gbps: theoretical value), achieving a maximum data transfer rate of 130MB/s. Features a unique aluminum body that is resistant to scratches and a rubber bumper, employing a shock-resistant design that absorbs external impacts. Bus-powered, eliminating the need for an AC adapter or other external power source. By setting the eco mode in the included "LaCie Desktop Manager" application, you can reduce the hard disk's power consumption and achieve energy-saving effects.