Synology DS209+II High-Performance 2-bay SATA NAS Server for Small-and-Medium Business Users Synology Disk Station DS209+II offers PC server equivalent performance for efficient data sharing and backup. Its high performance coupled with sophisticated Synology Disk Station Manager 2.2 provides an ideal solution for cross platform sharing, secure server backup, Windows ADS integration, business mail server, and corporate surveillance. For: Windows + Mac + Linux