1、8 USB0 Interface: B75 miner motherboard supports 8 USB0 to PCIE, can connect 8 graphics cards, and the mining computing power is higher 2、3 Phase Power Supply: Miner motherboards use 3 phase power supply, free dual core CPU, support 2 x DDR 3、PCB Material: BTC miner motherboard is made of PCB material with high performance and stable performance. 4、Solid Capacitor: All solid capacitor design, the quality of the power supply cooling block is more stable and durable than ordinary capacitors. 5、Easy to Install: USB PC mainboard supports SATA port, small size and easy to install. It is easy to use and has high compatibility. 1 x DDR3 Miner Motherboard1 x User Manual Item Type: DDR3 Miner MotherboardMaterial:PCBMotherboard Chip:Main Chipset:for Intel B75 SeriesIntegrated Graphics:CPU Core GraphicsIntegrated Internet CardProcessor Specifications:CPU Platform for Intel Core 2nd and 3rd GenerationCPU Socket LGA 1155The Number of Supported CPUs is 1 (Dual Core CPU is Given Randomly, the Model is Not Fixed)Memory Specifications:Memory Type: DDR3 1600/1333/1066 MHZMemory Slot: 2 x DDR3Expansion Slots:2 x 6pin 12V Power Supply Interface8 x USB 3.0 Interface (PCIE X1 Channel Can Be Connected to Graphics Card)USB 2.0 Pin (One Set)USB 3.0 Pins (One Set)1 x JATX HDD Power Supply Interface1 x MSATA Interface4 x SATA InterfaceI/O Interface:1 x RJ45 Internet Interface1 x VGA Port1 x High Definition Multimedia Interface Output2 x USB 2.0 Ports2 x USB 3.0 InterfaceMotherboard Size:Approx. 23 x 17.5cm / 9.1 x 6.9inBattery Type: A Button Battery CR2032l (Not Included)Other Parameters: One 8pin Power Socket, One 24pin Power Interface, Two 6p Power SupplyPower Supply Mode 3 Phase