Thecus W4000 4-Bay Cloud Ready Windows NAS Powered by Intel Atom Port RJ-45: 2 x 10/100/1000M Port USB: 2 x USB 2.0 host port (2 x back) 2 x USB 3.0 host port (2 x front) Port eSATA: 4 x SATA for internal 1 x eSATA for external HDD Interface: 4 x SATA for internal 1 x eSATA for external Processor: Intel Atom D2701 (2.13 GHz Dual Core) Default/ Max. Memory: 2GB DDR3 Port Others: HDMI port (1 x back) VGA port (1 x back ) Power: External power adapter