LG N2R1DB2 - Manual (Page 159)

. RAID trouble shooting
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Appendix D Compatible/Recommended Device List
For the latest compatible/recommended device list, please visit http://www.lge.com.
Recommendation hard disk list
The following is a list of hard disks possibly compatible with the LG Network Storage.
The following hard disks are recommended. In the case of using hard disks not
recommended by LG Electronics, malfunctions in the LG Network Storage can occur.
For updated hard disk recommendations, go to the link http://www.lge.com.