Buffalo Technology DriveStation Duo USB 3.0 2-Drive 4 TB Desktop DAS (HD-WH4TU3R1)SATARAID JBOD/0/12 x 2 TB Drives InstalledBackup Software… HD-WH4TU3R1

BUFFALO DriveStation Duo USB 3.0 2-Drive 4 TB Desktop DAS (HD-WH4TU3R1)
High performance NAS hard drives optimized for continuous 24/7/365 operation.
USB 3.0 offers universal connectivity for PC and Mac® computers.
Schedule automatic backups for your PC or office server with NovaBACKUP® Buffalo Edition.
Time Machine® support offers scheduled backups for protecting Mac computers.
RAID 1 support and hot-swappable hard drives provide comprehensive data protection.