NAS Storage Capacity Expander
Plug and play online expansion
USB 3.2 Gen 2 Type C interface for 10 Gbps speed
Compatible with high capacity 22TB hard disks
Smart power sync helps to save power
Smart fan for temperature control
Supports MyArchive cold backup technology

Faster and Easier!
The all-new Xpanstor 4 adopts USB 3.2 Gen 2 with a Type-C socket. USB 3.2 Gen 2 transfers files even faster with the ability to transfer of up to 10 Gbps. The Xpanstor is also backward compatible with ASUSTOR NAS devices that support USB 3.2 Gen 1 and will operate at the 5 Gbps maximum those devices support. Use the Xpanstor to expand the capacity of your NAS to grow your workflow as needed.

Hardware Specifications
Flash Memory: 32MB Flash
Expansion: USB 3.2 Gen 2 Type C
HDD: 4 x SATA3 6Gb/s; 3.5"/2.5" HDD/SSD
Maximum Internal Raw Capacity: 88 TB (22 TB HDD x 4, Capacity may vary by RAID types)
Supports Hot Swappable Drives
System Fan: 120mm x1
Power Supply Unit / Adapter: 90W x1
Input Power Voltage: 100V to 240V AC
Certification: FCC, CE, VCCI, BSMI, C-TICK, BIS, KCC, EAC
Operation
Power Consumption:
Operation: 24.68 W
Disk Hibernation: 6.02 W
Operation Temperature: 0°C_{40°C (32°F}104°F)
Humidity: 5% to 95% RH