1. Perfect match: According to the original 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 away.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 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 slot2xUSB2.0 pins1xUSB3.0 pin1xCOM 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 interface1xVGAPower supply mode: 3 phases, 2 CPU fan socketsProduct size: 29.5x19cmCPU:Model: G3900CPU series: for Celeron dual-coreManufacturing process:14 nmSlot type: LGA 1151CPU frequency: 2.8 GHzNumber of cores: Dual coresNumber of threads: Dual threadsMaximum memory: 64GBDue to different production batches, the appearance will be somewhat different, which does not affect the useMaterial:PCB+Metalcolour:blackPackage Contents:1 * B250B motherboard1 * G3900 CPU1 * 8G DDR4 RAM1 * 120G SSD1 * CPU Fan1 * switch cable1 * SATA cable1 * Screwdriver SetOnly 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.