ReadyNAS 314 4x3TB Desktop Form Factor: 4-Bay Port USB: 2 x USB3.0 + 1 x USB2.0 Port eSATA: 2 (1 Shared USB/ eSATA port) HDD Interface: 4 x SATA (4 x Bay) Processor: Intel Atom 2.1GHz dual core Default/ Max. Memory: 2GB Power: 12V, 7A External 90W; input 100-240V AC, 50-60Hz Dimensions: 8.07 x 5.28 x 8.78 (H x W x D)