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 , has a long service life, and is firm and stable in use. 5. Expansion of 12 USB3.0 ports, plug and play, convenient and trouble-free,Suitable for mining industry. Product name: B75 motherboard Memory type: support dual channel DDR3 Memory chip: support 1333/frequency 1600MHz Maximum memory capacity: 16G (8G x 2) Display interface: 1 x -compatible, 1 x VGA Rear USB: 2 x USB2.0 Front USB: 1 x USB2.0 Rear USB: 2 x USB3.0 Front USB: 1 x USB3.0 Hard disk interface: 4 x Sata 3.0 Graphics card: 12 x PCIE1X (USB transmission) Interface network card: 1 x LAN 100M network card Hard disk interface: 1 x MSATA Initial BIOS recovery: JCMOS Speaker interface: 1SPK Power interface: 24pin_ATXPWR Power interface: 4pin_ATX12V Product size: 230x175mm colour: black Material: PCB+metal Package Contents: 1 x B75 motherboard 1 x CPU cooling fan 1 x SATA cable Note: Due to different production batches, there will be some differences in appearance, subject to the actual product, which does not affect the use Only the above package content, other products are not included. Note: Light 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.