http://www.pressreleasepoint.com/qnap-unveils-tr-002-2-bay-raid-expansion-enclosure-nas-and-pc-usb-31-gen-2-connectivity-smoother
 
QNAP Systems, Inc. (QNAP) today launched the TR-002, a 2-bay hardware RAID expansion enclosure that can be utilized as a NAS storage expansion solution, and also as hardware RAID storage for Windows/macOS/Linux computers and NAS. The TR-002 connects to a PC/NAS via USB 3.1 Gen.2 Type-C and provides a dependable storage solution for various user requirements. 
 
The TR-002 supports individual, JBOD and RAID 0/1 storage configurations. QNAP NAS users can use the TR-002 with their NAS to set RAID parameters and create a storage pool by using the "Storage and Snapshots" app within QTS. Alternatively, the TR-002 can be used as an external storage device for the NAS. Windows, macOS and Linux users with limited storage upgrade options can also use the TR-002 as an expansion unit, and a dedicated QNAP External RAID Manager utility (for Windows and macOS) can help them view disk health, change RAID configurations, check logs, and update the firmware of the TR-002.
 
Availability
The TR-002 RAID Expansion Enclosure for NAS and PC is now available. I couldn't find the price. I love this small form factor.