Scalable quad core 8 bay storage solution with upgradable memory of up to 8gb outstanding throughput at over 1 577 mbs reading and 739 mbs writing two 10gbase t rj 45 ports with failover and link aggregation support scalable up to 18 drives with two dx517 expansion units synology high availability sha allows for uninterrupted services with seamless transitioning between clustered servers synology diskstation ds1817 is the first value series model featuring two built in 10gbase t ports and