Frequently Asked Question

Synology Hybrid RAID (SHR) is an automated RAID management system, designed to simplify storage management, optimize storage capacity, and meet the needs of new users who are unfamiliar with RAID types. However, SHR availability is restricted on the following models:

Models	SHR Availability
RS18016xs+ RC18015xs+ RS10613xs+	SHR is not supported in any DSM version
RS3614xs+, RS3614(RP)xs, RS3413xs+	SHR volumes can be created, used, and expanded in DSM 5.0 SHR volumes cannot be created in DSM 5.1-5021 and later versions SHR volumes created in DSM 5.0 remain usable and expandable in DSM 5.1-5021 and later versions, with a maximum single volume size of 108 TB
DS3615xs	SHR is not supported in DSM 5.1-5021 and later versions
1-bay models	Only Basic volume is supported in any DSM version

We will continue updating the list of models that may not support SHR.