Synology (RS819) – RS819 – 4-Bay / 1U Rackmount (12-inch depth for ultra-dense installation)

Synology (RS2418RP+) – RS2418RP+ (Redundant Power Supply) 12-Bay / 2U Rackmount / INTEL Atom C3538 / Quad Core 2.1GHz / 4GB DDR4-2133 (up to 64GB) / 2 x USB 3.0, 1 x Expansion / 4 x Gigabit LAN / SHR, RAID 0,1,5,6,10 / 1 x PCIe x8 Slot for NIC or M.2 SATA SSD Adapter / Synology High Availability / 2 x IP Cam Licenses (up to 40) / 3 Years Warranty / Optional Rail Kit Sliding (RKS1317) / Expansion Unit (RX1217 / RX127RP)