Features: Enjoy a tiny but powerful computer by using it. High technology and exquisite workman. Help to est your skills with infinite programming possibilities. HDMI HD output. Memory support dual channel DDR3 1333/1066 Memory Descriptions Memory Specifications Memory Type DDR3 1333/1066MHZ 2 DDR3 DIMM memory slots Expansion Slots 1 PCI-E X16 graphics slot 0-2 PCI-E 2 x USB 2.0 4x SATA 2.0 I / O interface PS / 2 port PS / 2 keyboard port 1x RH45 Internet port 1 HDMI interface output 1 VGA interface 4 x USB 2.0 10 USB2.0 interface USB interface o port:for printer or for COM Other interfaces 1 power supply 4 pin 1 power supply 24 pin Specifications: Color:black Size:21.5*17.5*3.5cm Package Size:27*21*6cm Model:H55 Integrated chip card / card Chip makers:for Intel Display chip CPU built-in display chip (CPU support required) o chip:for Realtek ALC662 6-channel o chip LAN chip onboard Gigabit LAN:for Realtek RTL8105E Processor Specifications CPU Type:for Core i7 /for Core i5 /for Core i3 CPU socket LGA 1156 Package Included: 1 x Desktop Computer Mainboard Motherboard 1 x Backplate 1 x Cable