Benefiting from its built in 10gbe sfp lan ports the quad core synology nas offers smbs ultra fast performance required for the rigorous data processing and virtualization tasks that our future demands unparalleled performance within and beyond its tier powered by an all new quad core cpu and a ram module expandable to 8gb coming with 4gb by default ds2015xs delivers over 193018 mbs throughput1 the extraordinary performance far outshines other nas servers in its price range and allows