• For the list of compatible expansion units and the maximum number of applicable
https://www.qnap.com/go/compatibility-expansion
Expansion Unit Model
Description
Required Accessories
TR-002
• Uses a USB 3.2 Gen 2 Type-C
interface
• Supports SATA HDD/SDD
USB 3.2 Gen 2 Type-A to Type-C
cable
TR-004
• Uses a USB 3.2 Gen 1 Type-C
interface
• Supports SATA HDD/SDD
USB 3.2 Gen 2 Type-A to Type-C
cable
TR-004U
• Uses a USB 3.2 Gen 1 Type-C
interface
• Supports SATA HDD/SDD
• USB 3.2 Gen 1 Type-A to Type-
C cable
• RAIL-B02
TL-D800C
• Uses a USB 3.2 Gen 2 Type-C
interface
• Supports SATA HDD/SDD
USB 3.2 Gen 2 Type-A to Type-C
cable
TL-R1200C-RP
• Uses a USB 3.2 Gen 2 Type-C
interface
• Supports SATA HDD/SDD
• USB 3.2 Gen 2 Type-A to Type-
C cable
• RAIL-B02
1. Connect the expansion unit to the NAS.
a. Connect the USB cable to the USB Type-C port on the expansion unit.
b. Connect the USB cable to a USB 3.2 Gen 2 Type-A port on the NAS.
2. Power on the expansion units.
3. Verify that the expansion units are recognized by the NAS.
a. Log on to QTS as administrator.
TS-433 User Guide
Installation and Configuration
19