The RS-EC32-CLD looks like a perfectly normal external drive case, until someone stumbles upon the entry on the manual that says it has RAID support and can act as a network-attached storage device.
Then again, the LAN port at the back is a pretty big giveaway of that.
While it needs to receive power through a 12V adapter, the RS-EC32-CLD can send and receive data to and from a PC over USB 3.0.
When in NAS mode, it offers file access to all devices connected to the network. It can be remotely accessed over the Internet too.
The supported RAID modes are RAID 0, 1 and JBOD. RAID 1 even has hot-swap capabilities.
Sales of the SECC steel-wrought, 820g device (1.8 pounds) will begin in October, for the price of 16,800 JPY, or $214 / 165 Euro.