Compatible with RC18015xs+
12-bay expansion unit for 6.4 cm (2.5") and 8.9 cm (3.5") SAS HDDs and 2.5" SAS SSDs
External ports: 2x Mini-SAS input, 2x Mini-SAS output
Incl. accessory pack, 2x power cable, 2x Mini-SAS expansion cable
Optional: Synology RKS1314 - rail kit sliding