Motherboard upgrade: B85 M.2 upgrade motherboard supports M.2 high-speed hard disk interface, upgrade circular keyboard (PS/2 port), 5.1 channel sound card, Gigabit network card, better performance, more stable, professional and powerful computer accessories.Quick start, loading and file transfer. Low power consumption, quiet, reliable and durable.Efficient transmission rate: This computer motherboard has a transmission speed of 5Gbps, 4 SATA3.0 interfaces, supports SATA3.0 hard disk high-speed transmission rate, supports SSD solid state hard disk, high transmission efficiency, stability, and can be used with confidence.Motherboard parameters: LGA 1150 CPU slot, dual DDR3 memory slots, 1xPCI-EX16 graphics card slot, 1xPCI-EX1 slot, support integrated graphics and discrete graphics, please confirm whether your device is compatible with this computer motherboard before purchasing To avoid incompatibility issues.Compact and portable: being so mini and light-weight, this product does not take much space and can be easily taken away.Product name: computer motherboardMotherboard series: for Intel seriesMotherboard model: B85CPU pins: support for intel LGA1150 series processorsMemory slot: 2 DDR3 memory slotMemory standard: support dual-channel DDR3 1333/1600MHz specification memory, maximum support 16G storage interface: 4 SATA3.0 interfacesExpansion interface: IO:1*PS2 mouse/keyboard universal port4*USB2.0 interface2*USB3.0 interface1*Network interface3*3.5MM audio interface (audio input, audio output/front speaker input/microphone input);Video interface: VGA+DVI+HDMl-compatibleExtension pin:1*9pin USB2.0 pin1*19 pin USB3.0 pin1*Front audio input pinExpansion slot:1*PCI Express3.0 X16 slot1*PCI Express X1 slot1* M.2 NVME interfaceOnboard sound card: ALC662 5.1 channelOnboard network card: Gigabit network cardPower interface: 24pin+8pinFan interface: 1PCB layers: 4 layers, 3-phase power supplyMotherboard size: 210x168mmColour: blackMaterial: PCB+metalPackage Contents:1 * B85 motherboard1 * SATA cableOnly 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.