Synology (DS1515+) – Synology DS1515+
5-Bay / INTEL Atom C2538 / Quad Core 2.4GHz / 2GB DDR3 (up to 6GB) / 4 x USB 3.0, 2 x eSATA / 4 x Gigabit LAN / SHR, RAID 0,1,5,6,10 / Synology High Availability / 2 x IP Cam Licenses (up to 40) / 3 Years Warranty

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)