birshupfer5 years ago000Which APC UPS is recommended for the DS1515+? Which cables (USB and 220V) should be purchased additionally?Show in original language (German)Zwirbel15 years ago • purchased this product000purchased this productAbout APC I can't answer the question, but I first had the APC by Eaton 5SC500I, now the Powerwalker VI 750 R1U, both work fine and are recognised by the Synology DS1515+.Show in original language (German)Comment