I brought this product by online. it weight is 0.307Kg. it is bundled software are Windows 8/7/Vista/XP, Mac OS X 10.6 or higher.
The Seagate Backup Plus Fast portable drive offers up to 2× the capacity and performance compared to other portable drives.
The drive is fully USB powered and does not require an external power supply, allowing you to take up to 4TB of videos, music and pictures with you on-the-go. Take further advantage of the fast USB 3.0 interface with transfer speeds up to 220MB/s.
The included Seagate Dashboard provides scheduled and automatic backup options for your computer, social networks and even your mobile device. Install the free Seagate Mobile Backup app on an iOS or Android mobile device to back up all of the pictures and videos from the device to the drive or the cloud.