QNAP TS-251 NAS Server - Intel Celeron Dual-core (2 Core) 2.41 GHz - 2 x Total Bays - 1 GB RAM DDR3L SDRAM - Serial ATA/600 - RAID Supported - 2 x 2.5"/3.5" Bay - Gigabit Ethernet - HDMI - Network (RJ-45) - 4 x USB Ports - 2 - 2 USB 3.0 Port(s) - QTS 4.1 - Tower