As household or small-business backups get larger, the need for an easy-to-use RAID array to serve as a master backup unit grows. MacNN takes a look at an entry from Weibetech, the RTX220-QR, that emphasizes easily-swapped, no-tools-required drive addition and seamless, fast, reliable operation -- with Prosoft's Data Backup software included for Mac and Windows users. In our exclusive review, we find out if the unit can become the centralized home (or home office) backup unit for power-users and first-time RAID buyers alike.