Promising breakthrough performance with affordabilityr 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 demandsr unparalleled performance within and beyond its tierr 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 ou