SA3200D (Dual Controller; Redundant Power Supply) 12-Bay (SAS) / 2U Rackmount / INTEL Xeon D-1521 / Quad Core 2.4GHz (burst up to 2.7GHz) / 8 GB DDR4 ECC UDIMM (up to 64GB ECC UDIMM) / 1 x Expansion / 1 x 10GBase-T, 2 x Gigabit LAN / 1 x PCIe x8 Slot for NIC / RAID 0,1,5,6,10,F1 / Hardware Synology High Availability ( Active-Passive Architecture ) / 2 x IP Cam Licenses (up to 100) / 5 Years Warranty / Optional Rail Kit Sliding (RKS1317)