Intel Celeron Processor: Quad-Core Intel Celeron J3455 Processor.It’s base operating frequency 1.5 GHz/s rising to a 2.3 GHz in burst mode. 4GB RAM,64GB eMMC Storage,Besides,you have 160 Gb 2.5-Inch DISK(up to 2TB) to the internal expansion bay to speed up the performance. Also 120 Gb SSD is installed. Small But Powerful: 4K HD for visually home entertainment,HTPC,perfect for home office, light games,digital Security and surveillance, digital signage, media center,conference room etc. I/O Specifications: Designed with 2 x USB 2.0 ports,2 x USB 3.0 ports ,1 x Gigabit Ethernet port,1 x Micro SD Card port,2 x HDMI port support Dual Display Pre-installed with Windows 10 Home Edition(64bit) OS in the 64GB eMMC drive.