The Synology DiskStation DS1522+ has 5 bays and can be easily scaled and expanded as needed with optional support for up to 15 drives, 10GbE networking and NVMe SSD cache. With Synology DiskStation Manager (DSM) operating system, it is a flexible all-in-one solution for data storage, synchronisation, backup and video surveillance. Take advantage of the many applications for SMBs. Make the DS1522+ your personal all-rounder for data backup, file management, media sharing and video surveillance. Integrate the DS1522+ into any existing network environment thanks to built-in connectivity, or expand its capacity with additional plug-and-play modules. Four built-in Gigabit ports with support for automatic failover and load balancing ensure fast and reliable performance - right out of the box. Accelerate your network in an instant. Simply add the E10G22-T1-Mini network upgrade module via the easy-access slot. Manage your documents, photos and other files, back up applications and devices or protect your property with professional video surveillance. Store files and access them flexibly from all your devices, and protect them with intelligent version management. Sort, manage, share and synchronise your data across locations.