Key features pre populated with 12tb of storage capacity includes 2x 6tb wd red hdd build a private cloud based notebook organise and manage files and backup tasks in one centralised location synchronise files between computers laptops and mobile devices create a 247 surveillance centre for your homesmall office the qnap ts 231 2 bay 12tb network attached nas storage device is a powerful yet easy to use network storage centre for backup synchronisation remote access and home enter