VincentA3442 years ago000Hello, can I use WD RED PRO 22TB drives on an extension connected to a NAS with WD RED PLUS 8TB Raid hard drives? Is there a risk of losing memory space?Show in original language (French)scalp0682 years ago011Hello,Put your configuration on this page: https://www.synology.com/fr-fr...Enter the total number of slots you have (Nas + extension)Show in original language (French)Comment