Feature:1. 12 PCIe Slots: This B250B motherboard has 12 x PCIe slots that can be connected to several graphics card, faster mining speed.2. VGA DVI Output: This DDR4 motherboard supports VGA and DVI output that ensures easy connection with monitor.3. Widely Compatible: This PC motherboard supports graphics cards of series 30, series 20, series 16, series 10, series RX and type P(Support LHR GPU).4. DDR4 Memory Slot: This desktop motherboard with B250 chip and gigabit network card supports CPU of 6th and 7th generation, adopts DDR4 memory slots.5. High Speed: This mining motherboard is designed with G3900 LGA1151 2.8ghz CPU, maximize your mining connectivity and speed.Specification:Item Type: B250B MotherboardMaterial: Printed Circuit BoardMotherboard Chip:Integrated Chip: Sound Card, Network Card, Integrated Graphics CardChipset: B250 SeriesNetwork Card Chip: Gigabit Network CardAudio: Integrated Audio ChipCPU Specification:CPU Platform: For Core 6th and 7th Generation, for Pentium, for CeleronCPU Slot: LGA 1151Supported CPU Quantity: 1 (G3900 CPU Included)Memory Specifications:Memory Type: DDR4 2133/2400/2666MHZ, Maximum 32GMemory Slot: 2 x DDR4Extension Slot: 1 x PCIe X16 GPU Slot, 11 x PCIe X1 Slot, 2 Groups of USB2.0 Pin, 1 Group of USB3.0 Pin, 1 x COM Pin, 4 x SATA InterfaceI/O Interface: PS/2 Interface, 2 x Keyboard Mouse Universal Interface, 1 x RJ45 Network Interface, 1 x DVI, 2 x USB 3.0, 2 x USB 2.0, 1 x VGA, Audio Interface Battery Type: Lithium Manganese BatteryBattery Model: CR2032Battery Capacity: 140mAh (Battery Included).Package List:1 xB250B Motherboard1 x SATA Cable