1. Innovative design, convert PCIE 1x directly to USB3.0 interface, reduce intermediate transmission links, reduce costs, reduce signal attenuation, and make continuous long-term work more stable. 2. The B75 USB-BTC motherboard uses all solid capacitors to make the motherboard more stable 3. Support LGA1155 CPU, use B75 chipset to playback CPU performance 4. This product uses high-quality materials, is durable, has a long service life, and is and stable in use. 5. Expansion of 12 USB3.0 ports, plug and play, convenient and -free,Suitable for mining industry. Product name: B75 motherboard Chipset: suitable for B75 BGA chipset CPU socket: LGA 1155 Memory type: support dual channel DDR3 Memory chip: support 1333/frequency 1600MHz Maximum memory capacity: 16G (8G*2) Display interface: 1*-compatible, 1*VGA Rear USB: 2*USB2.0 Front USB: 1*USB2.0 Rear USB: 2*USB3.0 Front USB: 1*USB3.0 interface: 4*Sata 3.0 Graphics card: 12*PCIE1X (USB transmission) Interface network card: 1*LAN 100M network card interface: 1*MSATA Initial BIOS : JCMOS Speaker interface: 1SPK Power interface: 24pin_ATXPWR Power interface: 4pin_ATX12V Due to different production batches, the appearance will be somewhat different, which does not affect the use Product size: 230x175mm Material:PCB+Metal colour:black Package Contents: 1 * B75 motherboard 1 * Random CPU(does not accept designation) 1 * CPU fan 1 * Thermal grease 1 * 4G DDR3 memory 2 * SATA cable (straight + elbow) 1 * Switch cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.