about The Product1‎.‎ Support Windows 7‎,‎ 8‎,‎ 10 And All Kind Of Linux Os‎.‎2‎.‎ Cpu‎:‎ Intel I7‎-4500u 3.1ghz With Dual Core Quad Threads‎,‎ Intel Qs77 Express‎.‎3‎.‎ Memory‎:‎ 4gb Single Channel Ddr3 ‎(‎this Computer Only Works With Ram At Lower Voltage 1.35v Instead Of Normal 1.5v Ram‎)‎‎.‎4‎.‎ Storage‎:‎ 64gb Ssd5‎.‎ Graphics Chipset‎:‎ Intel Hd Graphics 4400‎.‎6‎.‎ Graphics Interface‎:‎ 2 X Hdmi 4k Output‎.‎7‎.‎ Ethernet Lan‎:‎ 2 X Intel 8257l Gigabit Network Connection8‎.‎ With 300m Wifi Dual Antennas‎.‎ 9‎.‎ Serial Ports‎:‎ 6 X Rs232 9 Pin Com Port‎.‎10‎.‎ Support 4 X Usb 3.0 And 4 X Usb 2.0 Ports‎.‎11‎.‎ Storage Ports‎:‎ ‎- Sata Port‎:‎ Support 1 X 2.5 Inch Sata Laptop Hdd Or Sdd‎- Msata Port‎:‎ Support 1 X Msata Ssd12‎.‎ Power Adapter‎:‎ ‎- Input‎:‎100‎-240 V 50/60hz‎- Output‎:‎ 12v 5anotethe Cpu Is Random Delivery‎,‎ If I7‎-4500u Is Out Of Stock‎,‎ We Will Send Performance Almost The Same Cpu‎.‎