Bays 12 x 2.5"/3.5", Filled Capacity 192 TB 576 TB (with Expansion), Slots 2 x PCIe 3.0 x8, 2 x Intel Xeon D-1521 Quad-Core, Base: 2.4 GHz / Maximum Boost: 2.7 GHz, 16 GB ECC DDR4, 2 x 8 GB, 8 x DIMM, 128 GB, AC Adapter, 2 x 500 W, 100 to 240 VAC, 50 / 60 Hz. Designed for high-availability SAN environments, Synology Unified Controller UC3200 offers activeactive architecture for non-disruptive iSCSI services. It provides resilient data protection solutions.