droidfilmsGmbH8 years ago000If I want to use the DX517 as an extension for the DS1515+ (with 5X6TB), can I also use smaller or larger disks or do they have to be 6TB?Show in original language (German)robpors6138 years ago+220 Helpful answerIt is advantageous to continue working with the same size. However, it is also possible to use smaller or larger ones, see here: https://www.synology.com/de-de...Show in original language (German)Comment