Bays 2 Bay Capacity Internal 20Tb and up to 70TB capacity with optional EDA500 expansion chassis (Drives not Included) Form Factor Desktop NAS system LAN Port 2x Gigabit LAN Ports Processor/Memory Intel® Atom C3338 Dual Core Processor / 2GB DDR4 Raid X-RAID (automatic single volume online expansion). Levels: 0, 1, 5, 6, 10 Series RN420 SERIES USB Port Two (2) USB 3.0 (1 front, 1 rear) Warranty 5 Years 2-Line LCD Display Yes Dimensions 239 x 135.5 x 194 mm Drive Types Supported SATA/SSD 2.5” or 3.5” eSATA Expansion Ports 1 Fan 1x 92mm Hot Swappable Drives Yes Power Supply 60W Power Adapter input 100-240V AC, 50/60Hz Touch Screen Navigation Yes Weight 3.52Kg