1. Compatible with Windows 7 / 8 / 10 and Linux OS. 2. CPU: Intel Core i5 7200U Processor, Dual Core. 3. GPU: Intel HD Graphics 620. 4. RAM: 8GB DDR3. 5. ROM: 256GB SSD. 6. Maximum expansion capacity: 1TB or more 2.5 inch HDD (Not included). 7. Video Format: support all video format, support 4K resolution. 8. Audio Format: support all audio format, HDMI port support trueHD and DTS. 9. Picture Format: support all picture format. 10. RJ45 port speed up to 1Gbps. 11. HDMI 2.0 version. 12. Support CEC, HDCP, HEC HDMI function. 13. Support external USB DVD connect.