Synology (RS3617xs+) – RS3617xs+ (Redundant Power Supply) 12-Bay / 2U Rackmount / INTEL Xeon D-1531 / Six-core 2.2GHz (burst up to 2.7GHz) / 8GB DDR4 ECC RAM (up to 64GB) / 2 x USB 3.0, 2 x Expansion / 2 x 10GBase-T, 4 x Gigabit LAN / 2 x PCIe x8 Slot for NIC / RAID 0,1,5,6,10 / Synology High Availability / 2 x IP Cam Licenses (up to 90) / 5 Years Warranty / Optional Rail Kit Sliding (RKS1317)

Synology (RC18015xs+&RXD1215sas) – RC18015xs+ (Redundant Power Supply)1U Rackmount / INTEL Xeon E3 Quad Core 3.3GHz / 8GB DDR3 ECC RAM (up to 32GB) / 2 x USB 3.0, 1 x Mini SAS-Out / 5 x Gigabit LAN with 1 for Heartbeat Connection / 1 x PCIe x8 Slot for NIC / Synology High Availability / 2 x IP Cam Licenses (up to 90) / 5 Years Warranty / Optional Rail Kit Sliding (RKS1317) / Optional 10GbE Network Capability (E10G15-F1) / Can link up with max. 15pcs RXD1215sas as 180-Bay NASRXD1215sas (Redundant Power Supply)12-Bay (SAS ONLY) / 2U Rackmount / 2 x Mini SAS-IN, 2 x Mini SAS-OUT / Synchronized with RC18015xs+ / RAID 0,1,5,6,10 / 5 Years Warranty