The Cavalry Dock is perhaps the easiest and most cost-effective way to consolidate the storage of any two hard drives (WD10EACS, or equivalent, included); but this docking station is also configurable to RAID 0, 1, 0+1 along with spanning and JBOD mode. This two-bay, hot-swappable USB 2.0 dock is perfect for lumping together your odd-capacity drives into one device; just insert any two 2.5-inch or 3.5-inch SATA drives.Your extra hard drives can finally be put to good use with this versatile dock. And with no clumsy cover to unscrew or disassemble, your hot-swappable drives are always accessible and well-ventilated, without a noisy fan. With the USB 2.0 interface and stable, compact base, the Cavalry Dock is perfect for your home or office desktop computer.