D-Link DNS-323 - Network Storage Enclosure NAS Server User Manual page 50

Section 3 - Configuration
A pop-up window will appear with the drive configuration options.
Choose the RAID option you want to implement, by clicking the
appropriate radio button and press Next button.
The steps for configuring RAID are identical to the steps carried out
earlier from the Getting Started section of the manual.
D-Link DNS-33 User Manual 0