Specification: Item Type: DDR3 Miner Motherboard Material:PCB Motherboard Chip: Main Chipset:for B75 Series Integrated Graphics:CPU Core Graphics Integrated Internet Card Processor Specifications: CPU Platform for Core 2nd and 3rd Generation CPU Socket LGA 1155 The 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 MHZ Memory Slot: 2 x DDR3 Expansion Slots: 2 x 6pin 12V Power Supply Interface 8 x USB3.0 Interface (PCIE X1 Channel Can Be Connected to Graphics Card) USB2.0 Pin (One Set) USB3.0 Pins (One Set) 1 x JATX HDD Power Supply Interface 1 x MSATA Interface 4 x SATA Interface I/O Interface: 1 x RJ45 Internet Interface 1 x VGA Port 1 x High Definition Multimedia Interface Output 2 x USB 2.0 Ports 2 x USB3.0 Interface Motherboard Size:Approx. 23 x 17.5cm / 9.1 x 6.9in Battery Type: A Button Battery CR2032l (Not Included) Other Parameters: One 8pin Power Socket, One 24pin Power Interface, Two 6p Power Supply Power Supply Mode 3 Phase Package List: 1 x DDR3MinerMotherboard 1 xUser Manual