FS3600 (Redundant Power Supply) 2U Rackmount / Intel Xeon D-1567 12-Core 2.1GHz (up to 2.7GHz) / 16GB DDR4 ECC RDIMM RAM (up to 128GB) / 2 x USB 3.0, 1 x Expansion / 2 x 10 Gigabit LAN, 4 x Gigabit LAN / 1 x PCIe x8 for NIC / Synology High Availability / 2 x IP Cam Licenses (up to 128) / 5 Years Warranty / Optional Rail Kit Sliding (RKS1317) / Optional 10GbE Network Capability (E10G17-F2 / E10G18-T1 / E10G18-T2 )