Qnap TR-002 USB 3.1 Gen 2 RAID Expansion Cabinet, for 2x2.5 "/ 3.5" SSD / HDD, Black TR-002 USB 3.1 Gen. 2 The RAID expansion cabinet allows you to expand the capacity of your QNAP NAS and personal computer. TR-002 can also be used as a direct-attached storage (DAS) device that allows you to access its content directly by connecting it via USB. TR-002 Has two 3.5-inch SATA disks with USB 3.1 Gen. 2 Type-C connectivity to provide a highly reliable and secure storage capacity solution. • USB 3.1 Gen. 2 Type-C ports for faster data transfer.
• Supports up to two SATA disks.
• Disk Mode DIP switch to change between the hardware control and software control configurations for the RAID group settings.
• Lockable hard disk compartments to prevent accidental removal of the disk.
• Output button to disconnect the TR-002 from a NAS or a computer.
• Back up files from TR-002 to NAS with One Touch Copy button. Dimensions (WxDxH): 102x219x168.5mm
Weight: 1.37kg | 
