QNAP TS-251A-2G 2-Bay NAS Enclosure - Intel Celeron Processor N3060 (2M Cache, 1.60 GHz, up to 2.48 GHz, 2 cores), 2GB DDR3L RAM (2 x 1GB, no slots free, 8GB Max), 4GB Flash Memory, Drive Interface: 2 x 3.5 inch/2.5 inch SATA Hard Drive Bays, Up to 16TB Max, Connectivity: 3 x USB 3.0 port (Front x 1, Rear x 2), 2 x Gigabit Ethernet Ports, 1 x Audio In, 1 x Audio Out