Synology DiskStation 1-Bay (Diskless) Network Attached Storage DS112 (White) CPU: 1.6GHz w/ Hardware Encrypted Engine RAM Size: 256MB DDR3 Internal HDD: 1x 3.5" or 2.5" SATA2 Max Internal Capacity: 4TB (1x 4TB HDD) External HDD Interface: 2x USB 3.0 Ports; 1x eSATA Port LAN: 1x Gigabit