CineRAID CR-H458 RAID Hot-Swappable 4-Bay USB 3.0 & eSATA Hard Drive Enclosure & Western Digital Caviar Green WD20EARX 2TB Internal Hard Drive for $219.99 shipped.  Here is a screenshot for your reference.  It is hot-swappable and features USB 3.0 and eSATA connectivity, RAID 0, 1, 10, 3, and RAID 5.  It also has a toolless design, [...]