QNAP TS-253 Pro 2-Bay Professional-grade NAS, Intel 2.0GHz Quad Core CPU Supports Virtualization Station ( TS-253-PRO-US ) High performance Simple and efficient Run additional operating systems on the TS-253 Pro Comprehensive security options Full HD videos local display with HD Station via HDMI File synchronization across multiple devices Creatively present your animated content and ads Energy-saving Intel Celeron Quad Core 2.0GHz 2GB DDR3L RAM (max 8GB) SATA 6Gb/s