Attention please!1.RAM Voltage: This mini PC works with lower voltage RAM at 1.35V instead of normal 1.5V. 2.Operating System:The Operating System is activated but not licensed, just for testing the mini computer; Default version : Windows 10 Pro; Optional: Windows 7, 8, Linux Ubuntu. 3.Warranty Time: 1 Year Product Description:CPU:Onboard Intel Core i7 5500U 2.4Ghz Dual Core Four Thread Max 3.0 Ghz GPU:Intel HD Graphic 5500 Core(FSB):22nm L3 Cache:4MB,CPU integrated BIOS:AMI BIOS,ACPI Supported,Support calls on function automatically,Support Wake-On-Lan Memory:2 x SO-DIMM DDR3L Slot,Support Dual Channel NB Memory SO-DIMM DDR3L (Maximum to 16G RAM,2 x 8G) Storage:Support 2 x Msata SSD + 1 x 2.5" HDD/SSD Audio:ALC897 chip,7.1 channel sound,Intel Lynx Point-LP H D A Network:Onboard Redlrik RTL8168E PCI-E Gigabit Ethernet NIC,Onboard RTL8111DL 10mbps/100mbps/1000mbps Base Lan video:Intel HD Graphics 5500,Support HDMI full screen HD playback Front Panel Ports: 1 x Power indicator and switch 4 x USB 3.0 1 x SF Card Reader 1 x Audio optical fiber output 1 x MIC 1 x SPK Rear Ports: 2xWireless antenna 4 x USB 2.0 2 x LAN Ports(RJ45) 2 x HDMI 1 x DC IN Internal Ports: 2 x M-SATA 3.0 Ports,support 6Gb/s 1 x SATA 3.0 Port,support 6Gb/s 1 x Mini-PCIE port Power and Working Environment: Input:DC100-240V AC/50-60Hz Output:DC 12V - 19V/6A Noise:Fanless Operating Temperature;0-70 Centigrade(32 - 140F) Dimension&Details: Size:21CM x 17.5CM x 4.5CM Weight:3KG Package:1 x Mini PC,1 x Power Supply,1 x PC Stand... More