Synology Disk Station DS1618+ is a versatile, compact, yet powerful 6-bay NAS equipped with quadcore processor, designed for small- & medium-sized businesses. It comes with advanced computing applications to meet businesses demand & supercharges your storage with the optional M.2 SSD adapter card for dual SSD cache drives. DS1618+ is ideal to serve as a centralized file server for simplifying data management & protecting critical assets. Synology DS1618+ is backed with Synology’s 3-year limited warranty. Powerful & scalable 6-bay NAS optimized for data-intensive work environment Quad-core, 2.1 GHz CPU with AES-NI support & 4GB DDR4 memory, expandable up to 32GB Outstanding performance at over 1, 550 MB/s reading & 580 MB/s writing Boost IOPS system performance with M.2 SSD cache by using optional M2D17 adapter card PCIe 3.0 slot for optional 10 Gb E add-on card Four built-in 1 Gb E (RJ-45) ports with failover & Link Aggregation support Advanced Btrfs file system offering 65, 000 system-wide snapshots and 1, 024 snapshots per shared folder Scale up to 16 drives with two DX517 expansion units