It is available for purchase together with a new, applicable device, and must be registered within 30 days from purchase on Synology Account.Synology’s limited warranty terms of service applies to the extended warranty period.Applicable ModelsDS1817+DS1817DS1618+DS1517+DS1517DX517RX418NVR1218VS960HDRS2818RP+RS2418+RS2418RP+RS818+RS818RP+ Visa pris