Synology Disk Station DS1815+ features an all-new quad core CPU with an AES-NI hardware encryption engine, providing outstanding performance & data encryption acceleration. With four built-in Gigabit LAN ports & scalability of up to 18 drives, Synology DS1815+ is the ideal storage solution for centralizing data backups, protecting critical assets & sharing files across different platforms. Superior Performance Synology DS1815+ is built for speed. With quad core CPU & expandable RAM module up to 6GB, DS1815+ is ideal for the mission critical tasks of small & medium-sized businesses as well as the most intensive applications from data-encryption to virtualization support. Through advanced flash technology, the combination of hard drives & read/write-optimized SSD cache boosts throughput efficiently while minimizing cost per gigabyte. With link aggregation, Synology DS1815+ can deliver up to an average 450.68 MB/s reading & 429.1 MB/s writing speed under RAID 5 configuration in a Windows environment. 1 Powered by its AES-NI hardware encryption engine, DS1815+ also delivers fast encrypted data transmission. Virtualization Certified DS1815+ provides seamless storage solutions for virtualization environments, including VMware, Citrix, & Hyper-V. Being VMware v Sphere 5 & VAAI integration certified, DS1815+ helps offload specific storage operations & optimizes computation power for unparalleled performance & efficiency in VMware environments. As the centralized storage of a virtual environment, DS1815+ enables virtual machine migration, allowing movement from server to server whilst eliminating service downtime & disruption to user. Windows Offloaded Data Transfer (ODX) & Synology Advanced LUN support extremely improves the efficiency on massive data transfer & migration.