Motherboard chip: Integrated chip network cardMain chipset: For B250Network card chip integrates RTL8105e and other fast network cardsAudio chip: no sound cardProcessor specifications:CPU platform: For Core 6th Generation/Pentium/CeleronCPU socket: LGA 1151Support CPU quantity: 1Memory specifications:Memory type: DDR4 2133/2400/2800/3000 MHZ up to 16GMemory slot: 2xDDR4Expansion slot:1xPCI-E X16 graphics slot11xPCI-E X1 graphics slot2x USB2.0 pins1x USB3.0 pin1x COM pin2x4p square power interface4xSATA3.0 interfaceI/O interface:PS/2 interface keyboard and mouse universal interface 21xRJ45 network interface1xDVI HD output2xUSB 3.0 interface 4xUSB 2.0 interface1xVGAThe appearance of different batches of products may be different, which will not affect the useColour: blackMaterial: PCBSize: 29.5 x 19cmPackage Contents:1 x motherboard1 x CPU (G3920 or G3930 CPU, random delivery, does not accept specified model CPU, if 3920 3930 is out of stock, we will choose a more advantageous CPU to ship to you)1 x CPU cooling fan (the appearance of batches may vary)1 x SATA cable (random color and appearance, don't accept the specified)Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.