Synology 5-bay DiskStation DS1522+ (Diskless),Black

The product is multiple voltage compatible, that voltage arrange is 100-240V
Up to 736/796 MB/s sequential read/write throughput makes file operations quick and efficient
Leverage built-in file and photo management, data protection, virtualization, and surveillance solutions
Four 1GbE ports for simple integration into existing environments with optional 10GbE connectivity to tackle more specialized, bandwidth-heavy applications
Add up to 10 extra drive bays with 2 DX517 expansion units for a maximum of 15 storage drives
3-year warranty
Check Synology knowledge center or YouTube channel for help on product setup and additional information
Check the product specification page for the software or application you want to use
SATA device only