1TB Backup Plus Slim for Mac portable drive. Silver/Black. The Seagate Backup Plus Slim portable drive for Mac simplifies backup for consumers who want to protect their entire digital life locally in the cloud from mobile devices or from social networks. The slim metal design allows you to slide the drive into your pocket purse or backpack and carry it with you. The drive is formatted for Mac and compatible with Time Machine backup software right out of the box. Keep multiple copies of your files in case disaster strikes. 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. Back up mobile devices via a WiFi connection while at home or use services like Dropbox or Google Drive while on-the-go away from home.