1. Perfect match: According to the model design, perfect replacement installation, high-quality components.2. Quick start, loading and file transfer. Low power consumption, quiet, reliable and durable.3. Durable material: This product is made of high-quality material, durable, long service time, firm and stable in use.4. Compact and portable: being so mini and light-weight, this product does not take much space and can be easily taken .5. Meticulous workmanship: The meticulous design, perfect in workmanship, durable and long service time.Product name: computer motherboardMotherboard chip: B250 chipProcessor specifications: CPU platform for Intel Core 6th generation/Pentium/Celeron CPU socket LGA 1151, support 1 CPUMemory 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 interface1xVGAOther parameters: a 4-pin power jack and a 24-pin power connectorPower supply mode: 3 phases, 2 CPU fan socketsProduct size: 29.5 x 19cmCPU:Model: G3900CPU series: for Celeron dual-coreManufacturing process :14 nmSlot type: LGA 1151CPU frequency: 2.8 GHzNumber of cores: Dual coresNumber of threads: Dual threadsLevel 3 cache: 2 MBBus specification :DMI3 8GT/sThermal design power consumption (TDP):51WMaximum memory: 64GBDDR4 1866/2133mhz, DDR3L 1333/1600mhz @1.35VMaximum number of memory channels: 2Colour:blackMaterial:PCB+MetalPackage Contents:1 * B250 motherboard1 * G3900 CPU1 * thermal greaseDifferent production batches, the appearance is slightly different, does not affect the use, the appearance of thermal grease is random, Not accept designationOnly the above package content, other products are not included.Note: Light 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.