QNAP TS-451 (4GB RAM version) 4-Bay Personal Cloud NAS, Intel 2.41GHz Dual Core CPU with Media Transcoding Intel Celeron Dual Core 2.41GHz, 4GB (Max 8GB) DDR3L RAM, SATA 6Gbps, USB 3.0, 2 LAN. Powerful on-the-fly and offline transcoding, HDMI out with XBMC, Virtualization Station with 1 VM support, Surveillance Station (Max 24 Ch), max 1 UX expansion unit