1, and high quality + 100% professional -shipment testing 2,Support desktop memory 3,Support WIFI M.2+NVME M.2 interface 4,High compatibility brings a higher experience 5,All solid capacitors, fine workmanship, professional and stable The power socket has an 4-pin, 8-pin power connector Model: B75A Processor: CPU for LGA 1155 Core i7, i5, i3 series Memory: 2*DDR3 slot 1066/1333/1600 MHz, up to 16GB Storage: 1*SATA3.0+3*SATA2.0 Expansion slot: 1*PCI-E 16X slot Network:100M Ehermet USB: 4*USB3.0+6*USB2.0 Sound card: support 5.1 channels Input/output: 1 * -Compatible Interface 1 * VGA 1 * NVME M.2 Interface 1 * WIFI M.2 Interface 1 * RJ45 Power supply: ATX 24PIN + ATX 4PINT Size: 170MM x 170MM Colour:black Material:PCB Different production batches, the appearance or interface will be slightly different, which will not affect the use Package Contents: 1 x B75A Motherboard 1 x I3 2120 CPU 2 x 4G DDR3 1600Mhz RAM Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.