QNAP TS-251-US Diskless System 2-Bay Personal Cloud NAS with HDMI output. DLNA, AirPlay and PLEX Support Form Factor: 2-Bay Port RJ-45: 2 x 10/100/1000M Port USB: 2 x USB3.0 + 2 x USB2.0 HDD Interface: 2 x SATA (2 x Bay) Processor: Intel Celeron 2.41 GHz Dual-core processor (burst up to 2.58 GHz) Default/ Max. Memory: 1GB DDR3L RAM (expandable up to 8GB) LEDs: Status, LAN, USB, HDD 1, HDD 2 Port Others: 1 x HDMI