For the list of compatible expansion units and the maximum number of applicable expansion units, go to
https://www.qnap.com/go/compatibility-expansion.
Expansion Unit Model Description Required Accessories
TL-D400S • Uses a SATA 6 Gbps (SFF-8088)
interface
• Supports SATA HDD/SSD
• 1 x SFF-8088 connector cable
• QXP-400eS-A1164 host bus
adapter
TL-D800S • Uses a SATA 6 Gbps (SFF-8088)
interface
• Supports SATA HDD/SSD
• 2 x SFF-8088 connector cables
• QXP-800eS-A1164 host bus
adapter
TL-D1600S • Uses a SATA 6 Gbps (SFF-8088)
interface
• Supports SATA HDD/SSD
• 4 x SFF-8088 to SFF-8644
connector cables
• QXP-1600eS-A1164 host bus
adapter
TL-R400S • Uses a SATA 6 Gbps (SFF-8088)
interface
• Supports SATA HDD/SSD
• 1 x SFF-8088 connector cable
• QXP-400eS-A1164 host bus
adapter
• RAIL-B02
TL-R1200S-RP • Uses a SATA 6 Gbps (SFF-8088)
interface
• Supports SATA HDD/SSD
• 3 x SFF-8088 to SFF-8644
connector cables
• QXP-1600eS-A1164 host bus
adapter
• RAIL-B02
TR-002 • Uses a USB 3.2 Gen 2 Type-C interface
• Supports SATA HDD/SSD
• 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/SSD
• USB 3.2 Gen 1 Type-A to Type-
C cable
•
TR-004U • Uses a USB 3.2 Gen 1 Type-C interface
• Supports SATA HDD/SSD
• 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/SSD
• 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/SSD
• USB 3.2 Gen 2 Type-A to Type-
C cable
• RAIL-B02
Connecting SATA expansion units
To connect the NAS to SATA JBOD expansion units, a host bus adapter must be installed on the NAS.
The TS-855X series supports one SATA expansion unit and is compatible with the following models:
TS-855X User Guide
Installation and Conguration 36