1. Perfect match: According to the original model design, perfect replacement installation, high-quality components.2. Supports 12 PCIe slots to maximize your mining connection and speed, up to 32GB DDR4 2666MHz RAM, USB3.0 Gigabit LAN3. Quick start, loading and file transfer. Low power consumption, quiet, reliable and durable.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: Mining motherboardModel: B250Processor: for Core /Pentium /Celeron LGA1151 6/7/8 generation processor (9th generation CPU is not supported)Chipset: for B250 ChipsetGraphics card: Onboard nuclear display HDMI-compatible/VGA or PCIE X16 extended discrete graphics cardMemory: 2x DDR4 desktop 2133/2400/2666MHz memory slots (dual channel, does not support ECC RAM)Audio: Onboard 1x Realtek ALC662 5.1 Sound Channel Audio ClusterStorage: 3x SATA 3.0; USB: 4 x USB3.0+4x USB2.0Extension:1x PCIE 16X (x16 GEN3 speed); 11x PCIE 1X (x1 GEN1.1 speed)Rear I/O: 2x USB2.0;1x RJ45 network port;1x 5.1 channel audio cluster;1x PS2 (support PS2 keyboard + mouse);1x HDMI-compatible port;1x VGA;2 x USB3.0Power scheme: ATX 24PIN+ATX 8PINSize: 281.36x170mmCPU: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: black+ greenMaterial: PCB + metalPackage Contents:1 x B250 motherboard1 x G3900 CPU1 x 8G DDR4 RAM1 x 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.