T POWER Ac Adapter Power Supply Compatible with Synology DiskStation DS213 DS214 NAS 2-Bay Disk Station NAS Server Barrel Round Plug Tip Not A 4-Pin INPUT: 110V ~240V ( work in U.S ) ((Barrel Round Plug Tip Not A 4-Pin)) Compatible Model: Synology DiskStation DS213 DS213j DS213AIR DS213+ NAS 2-Bay NAS Server Synology Diskstation DS214 DS214+ DS214SE DS214PLAY Disk Station NAS Server T-Power - manufactured with the highest quality materials and include multiple smart features safeguarding against IV - incorrect voltage, SC - short circuit, IO - internal overheating. CE/FCC/RoHS certified