Key features quad core cpu delivers 38903 mbs reading 36133 mbs writing four gigabit lan ports with failover and link aggregation support scale up to 8 drives with synology rx415 expandable ram module up to 6gb high availability and ssd readwrite cache support high performance nas server optimized for intensive tasks and encryption featuring a quad core processor and aes ni hardware encryption engine rs815 and rs815rp equipped with redundant power supplies deliver the superior per